Brynjulf Owren
Om
Brynjulf Owren er professor ved Institutt for matematiske fag. Han tilhører forskningsgruppen for Differensiallikninger og numerisk analyse.
Se engelsk side for mer informasjon.
Publikasjoner
2022
-
Celledoni, Elena;
Cokaj, Ergys;
Leone, Andrea;
Murari, Davide;
Owren, Brynjulf Rustad.
(2022)
Dynamics of the N-fold Pendulum in the Framework of Lie Group Integrators.
Mathematics in Industry.
volum 39.
Vitenskapelig artikkel
-
Celledoni, Elena;
Evripidou, Charalambos;
McLaren, David I.;
Owren, Brynjulf;
Quispel, G.R.W.;
Tapley, Benjamin Kwanen.
(2022)
DETECTING AND DETERMINING PRESERVED MEASURES AND INTEGRALS OF BIRATIONAL MAPS.
Journal of Computational Dynamics.
volum 9 (4).
Vitenskapelig artikkel
-
Celledoni, Elena;
Leone, Andrea;
Murari, Davide;
Owren, Brynjulf.
(2022)
Learning Hamiltonians of constrained mechanical systems.
Journal of Computational and Applied Mathematics.
volum 417.
Vitenskapelig artikkel
-
Haugen, Kjetil K.;
Solberg, Harry Arne;
Sætre, Irene Lange;
Kringstad, Morten;
Gammelsæter, Hallgeir;
Vik, Erlend;
Heen, Knut Peder;
Loktu, Morten;
Halse, Lise Lillebrygfjeld;
Strandhagen, Jan Ola;
Waagbø, Arild Johan;
Guvåg, Bjørn;
Einevoll, Gaute;
Hauge, Olav;
Hansson, Lisa;
Nerland, Sølve Mikal Krekvik;
Olstad, Asmund;
Owren, Brynjulf.
(2022)
Fra toppen av Haugen : historien gjentar seg for tabelltipping-kongen.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
-
Haugen, Kjetil K.;
Solberg, Harry Arne;
Sætre, Irene Lange;
Loktu, Morten;
Guvåg, Bjørn;
Owren, Brynjulf;
Kringstad, Morten;
Halse, Lise Lillebrygfjeld;
Hansson, Lisa;
Vik, Erlend;
Einevoll, Gaute;
Heen, Knut Peder;
Nerland, Sølve Mikal Krekvik;
Hauge, Olav;
Olstad, Asmund;
Gammelsæter, Hallgeir;
Strandhagen, Jan Ola.
(2022)
Fra toppen av Haugen : årets vinner er fra NTNU.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
-
Murari, Davide;
Celledoni, Elena;
Owren, Brynjulf Rustad;
Sherry, Ferdia;
Schönlieb, Carola-Bibiane.
(2022)
Structure preserving neural networks based on ODEs.
2022.
Rapport
-
Tapley, Benjamin Kwanen;
Andersson, Helge Ingolf;
Celledoni, Elena;
Owren, Brynjulf.
(2022)
Computational geometric methods for preferential clustering of particle suspensions.
Journal of Computational Physics.
volum 448.
Vitenskapelig artikkel
2021
-
Andersson, Helge Ingolf;
Celledoni, Elena;
Ohm, Laurel;
Owren, Brynjulf;
Tapley, Benjamin.
(2021)
An integral model based on slender body theory, with applications to curved rigid fibers.
Physics of Fluids.
volum 33 (4).
Vitenskapelig artikkel
-
Celledoni, Elena;
Ehrhardt, Matthias J.;
Etmann, Christian;
McLachlan, Robert I.;
Owren, Brynjulf;
Schönlieb, Carola-Bibiane;
Sherry, Ferdia.
(2021)
Structure preserving deep learning.
European journal of applied mathematics.
Vitenskapelig artikkel
-
Celledoni, Elena;
Ehrhardt, Matthias J.;
Etmann, Christian;
Owren, Brynjulf;
Schönlieb, Carola-Bibiane;
Sherry, Ferdia.
(2021)
Equivariant neural networks for inverse problems.
Inverse Problems.
volum 37 (8).
Vitenskapelig artikkel
-
Celledoni, Elena;
Çokaj, Ergys;
Leone, Andrea;
Murari, Davide;
Owren, Brynjulf.
(2021)
Lie Group integrators for mechanical systems.
International Journal of Computer Mathematics.
Vitenskapelig artikkel
2020
-
Curry, Charles Henry Alexander;
Ebrahimi-Fard, Kurusch;
Owren, Brynjulf.
(2020)
The Magnus expansion and post-Lie algebras.
Mathematics of Computation.
volum 89 (326).
Vitenskapelig artikkel
-
Haugen, Kjetil K.;
Strandhagen, Jan Ola;
Solberg, Harry Arne;
Kringstad, Morten;
Owren, Brynjulf;
Hansson, Lisa;
Halse, Lise Lillebrygfjeld;
Sætre, Irene Lange;
Heen, Knut Peder;
Gammelsæter, Hallgeir;
Guvåg, Bjørn;
Hauge, Olav;
Vik, Erlend;
Hvattum, Lars Magnus;
Nerland, Sølve Mikal Krekvik.
(2020)
Fra toppen av Haugen : svensk norgesmester i verdensklasse.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
2019
-
Benning, Martin;
Celledoni, Elena;
Ehrhardt, Matthias J.;
Owren, Brynjulf;
Schönlieb, Carola-Bibiane.
(2019)
Deep learning as optimal control problems: models and numerical methods.
Journal of Computational Dynamics.
volum 6 (2).
Vitenskapelig artikkel
-
Celledoni, Elena;
Eidnes, Sølve;
Owren, Brynjulf;
Ringholm, Torbjørn.
(2019)
Energy-preserving methods on Riemannian manifolds.
Mathematics of Computation.
volum 89 (322).
Vitenskapelig artikkel
-
Celledoni, Elena;
Evripidou, Charalambos;
McLaren, David I.;
Owren, Brynjulf;
Quispel, G.R.W.;
Tapley, Benjamin.
(2019)
Discrete Darboux polynomials and the search for preserved measures and integrals of rational maps.
arXiv.org.
Vitenskapelig artikkel
-
Celledoni, Elena;
Evripidou, Charalambos;
McLaren, David I.;
Owren, Brynjulf;
Quispel, Gilles Reinout Willem;
Tapley, Benjamin;
van der Kamp, Peter H..
(2019)
Using discrete Darboux polynomials to detect and determine preserved measures and integrals of rational maps.
Journal of Physics A: Mathematical and Theoretical.
volum 52 (31).
Vitenskapelig artikkel
-
Celledoni, Elena;
Evripidou, Charalambos;
McLaren, David I.;
Owren, Brynjulf;
Quispel, Gilles Reinout Willem;
Tapley, Benjamin;
van der Kamp, Peter H..
(2019)
Using discrete Darboux polynomials to detect and determine preserved measures and integrals of rational maps.
arXiv.org.
Vitenskapelig artikkel
-
Celledoni, Elena;
McLaren, David;
Owren, Brynjulf;
Quispel, Reinout.
(2019)
Geometric and integrability properties of Kahan?s method: The preservation of certain quadratic integrals.
Journal of Physics A: Mathematical and Theoretical.
volum 52 (6).
Vitenskapelig artikkel
-
Curry, Charles Henry Alexander;
Owren, Brynjulf.
(2019)
Variable step size commutator free Lie group integrators.
Numerical Algorithms.
volum 82 (4).
Vitenskapelig artikkel
-
Haugen, Kjetil K.;
Owren, Brynjulf;
Strandhagen, Jan Ola;
Kringstad, Morten;
Solberg, Harry Arne;
Guvåg, Bjørn;
Hauge, Olav;
Gammelsæter, Hallgeir;
Heen, Knut Peder;
Hvattum, Lars Magnus;
Vik, Erlend;
Nerland, Sølve Mikal;
Sande, Andre Bekkevold.
(2019)
Fra toppen av Haugen : tabelltips 2019: stadig norgesmester fra Molde.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
-
Ohm, Laurel;
Tapley, Benjamin;
Andersson, Helge Ingolf;
Celledoni, Elena;
Owren, Brynjulf.
(2019)
A slender body model for thin rigid fibers: validation and comparisons.
MekIT’19 - 10th National Conference on Computational Mechanics (Trondheim, Norway, 3-4 June 2019).
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Tapley, Benjamin;
Celledoni, Elena;
Owren, Brynjulf;
Andersson, Helge Ingolf.
(2019)
A novel approach to rigid spheroid models in viscous flows using operator splitting methods.
Numerical Algorithms.
volum 81 (4).
Vitenskapelig artikkel
-
Tapley, Benjamin;
Owren, Brynjulf;
Celledoni, Elena;
Andersson, Helge Ingolf.
(2019)
Computational methods for tracking inertial particles in discrete incompressible flows.
arXiv.org.
Vitenskapelig artikkel
-
van der Kamp, Peter H.;
Celledoni, Elena;
Mclachlan, Robert, i;
McLaren, David I.;
Owren, Brynjulf;
Quispel, Gilles Reinout Willem.
(2019)
Three classes of quadratic vector fields for which the Kahan discretization is the root of a generalised Manin transformation.
Journal of Physics A: Mathematical and Theoretical.
volum 52 (4).
Vitenskapelig artikkel
-
Zanna, Antonella;
Owren, Brynjulf.
(2019)
Holmboeprisen 2018.
Tangenten - Tidsskrift for matematikkundervisning.
Populærvitenskapelig artikkel
2018
-
Celledoni, Elena;
Eidnes, Sølve;
Owren, Brynjulf;
Ringholm, Torbjørn.
(2018)
Dissipative numerical schemes on Riemannian manifolds with applications to gradient flows.
SIAM Journal on Scientific Computing.
volum 40 (6).
Vitenskapelig artikkel
-
Curry, Charles Henry Alexander;
Ebrahimi-Fard, Kurusch;
Owren, Brynjulf.
(2018)
The Magnus expansion and Post-Lie algebras.
arXiv.org.
Vitenskapelig artikkel
-
Haugen, Kjetil K.;
Heen, Knut Peder;
Hauge, Olav;
Gammelsæter, Hallgeir;
Guvåg, Bjørn;
Kringstad, Morten;
Solberg, Harry Arne;
Owren, Brynjulf;
Strandhagen, Jan Ola.
(2018)
Fra toppen av Haugen : dobbelt norgesmester.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
-
Haugen, Kjetil K.;
Owren, Brynjulf.
(2018)
Predicting football tables by a maximally parsimonious model.
Mathematics for applications.
volum 7 (2).
Vitenskapelig artikkel
-
Owren, Brynjulf.
(2018)
Holmboeprisen 2017.
Tangenten - Tidsskrift for matematikkundervisning.
Populærvitenskapelig artikkel
-
Tapley, Benjamin;
Celledoni, Elena;
Owren, Brynjulf;
Andersson, Helge Ingolf.
(2018)
A novel approach to rigid spheroid models in viscous flows using operator splitting methods.
arXiv.org.
Vitenskapelig artikkel
2017
-
Eidnes, Sølve;
Owren, Brynjulf;
Ringholm, Torbjørn.
(2017)
Adaptive energy preserving methods for partial differential equations.
Advances in Computational Mathematics.
Vitenskapelig artikkel
-
Haugen, Kjetil K.;
Hauge, Olav;
Guvåg, Bjørn;
Gammelsæter, Hallgeir;
Heen, Knut Peder;
Owren, Brynjulf;
Strandhagen, Jan Ola;
Kringstad, Morten;
Solberg, Harry Arne.
(2017)
Fra toppen av Haugen : norgesmester fra Molde.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
-
Owren, Brynjulf.
(2017)
Holmboeprisvinneren 2016.
Tangenten - Tidsskrift for matematikkundervisning.
Populærvitenskapelig artikkel
2016
-
Celledoni, Elena;
McLachlan, I. Robert;
McLaren, David;
Owren, Brynjulf;
Quispel, Reinout.
(2016)
Two classes of quadratic vector fields for which the Kahan discretization is integrable.
MI Lecture Note, Kyushu University.
volum 74.
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout.
(2016)
Two classes of quadratic vector fields for which the Kahan discretization is completely integrable MI Lecture Note Vol.74 : Kyushu University.
MI Lecture Note, Kyushu University.
volum 74.
Vitenskapelig artikkel
-
Curry, Charles Henry Alexander;
Owren, Brynjulf.
(2016)
A Computationally Inexpensive Coordinate Map for Lie Group Integrators.
MI Lecture Note, Kyushu University.
volum 74.
Vitenskapelig artikkel
-
Marthinsen, Håkon;
Owren, Brynjulf.
(2016)
Geometric integration of non-autonomous linear Hamiltonian problems.
Advances in Computational Mathematics.
volum 42 (2).
Vitenskapelig artikkel
2015
-
Celledoni, Elena;
McLachlan, I. Robert;
McLaren, David;
Owren, Brynjulf;
Quispel, Reinout.
(2015)
Discretization of polynomial vector fields by polarization.
Proceedings of the Royal Society. Mathematical, Physical and Engineering Sciences.
volum 471:20150390.
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, Robert I.;
McLaren, David I.;
Owren, Brynjulf;
Quispel, G.R.W..
(2015)
Discretization of polynomial vector fields by polarization.
2015.
Rapport
-
Eidnes, Sølve;
Owren, Brynjulf;
Ringholm, Torbjørn.
(2015)
Adaptive Energy Preserving Methods for Partial Differential Equations.
2015.
Rapport
2014
-
Celledoni, Elena;
Marthinsen, Håkon;
Owren, Brynjulf.
(2014)
An introduction to Lie group integrators - basics, new developments and applications.
Journal of Computational Physics.
volum 257, Part B.
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, Robert I.;
McLaren, David;
Owren, Brynjulf;
Quispel, G. R. W..
(2014)
Integrability properties of Kahanʼs method.
Journal of Physics A: Mathematical and Theoretical.
volum 47 (36).
Vitenskapelig artikkel
-
Celledoni, Elena;
Owren, Brynjulf.
(2014)
Preserving first integrals with symmetric Lie group methods.
Discrete and Continuous Dynamical Systems. Series A.
volum 34 (3).
Vitenskapelig artikkel
-
Celledoni, Elena;
Owren, Brynjulf;
Sun, Yajuan.
(2014)
The minimal stage, energy preserving Runge-Kutta method for polynomial Hamiltonian systems is the Averaged Vector Field method.
Mathematics of Computation.
volum 83 (288).
Vitenskapelig artikkel
-
Marthinsen, Håkon;
Owren, Brynjulf.
(2014)
Geometric integration of non-autonomous Hamiltonian problems.
2014.
Rapport
2013
-
Celledoni, Elena;
McLachlan, Robert I.;
Owren, Brynjulf;
Quispel, G.R.W..
(2013)
Geometric properties of Kahan's method.
Journal of Physics A: Mathematical and Theoretical.
volum 46 (2).
Vitenskapelig artikkel
2012
-
Celledoni, Elena;
Grimm, Volker;
McLachlan, Robert I.;
McLaren, David;
O'Neale, Dion;
Owren, Brynjulf;
Quispel, G.R.W.
(2012)
Preserving energy resp. dissipation in numerical PDEs using the ‘‘Average Vector Field’’ method.
Journal of Computational Physics.
volum 231 (20).
Vitenskapelig artikkel
2011
-
Christiansen, Snorre H;
Munthe-Kaas, Hans;
Owren, Brynjulf.
(2011)
Topics in structure-preserving discretization.
Acta Numerica.
volum 20.
Vitenskapelig oversiktsartikkel/review
-
Dahlby, Morten;
Owren, Brynjulf.
(2011)
A General Framework for Deriving Integral Preserving Numerical Methods for PDEs.
SIAM Journal on Scientific Computing.
volum 33 (5).
Vitenskapelig artikkel
-
Dahlby, Morten;
Owren, Brynjulf;
Yaguchi, Takaharu.
(2011)
Preserving multiple first integrals by discrete gradients.
Journal of Physics A: Mathematical and Theoretical.
volum 44 (30).
Vitenskapelig artikkel
-
Owren, Brynjulf.
(2011)
Werner Romberg: "Vereinfachte numerische Integration''.
Skrifter.
Populærvitenskapelig artikkel
2010
-
Celledoni, Elena;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout.
(2010)
Energy-Preserving Integrators and the Structure of B-series.
Foundations of Computational Mathematics.
volum 10 (6).
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout.
(2010)
On conjugate B-series and their geometric structure.
Journal on Numerical Analysis Industrial and Applied Mathematics.
volum 5 (1-2).
Vitenskapelig artikkel
-
Dahlby, Morten Lien;
Owren, Brynjulf.
(2010)
A general framework for deriving integral preserving numerical methods for PDEs.
2010.
Rapport
-
Dahlby, Morten Lien;
Owren, Brynjulf;
Yaguchi, Takaharu.
(2010)
Preserving multiple first integrals by discrete gradients.
2010.
Rapport
2009
-
Celledoni, Elena;
Grimm, V;
McLachlan, I. Robert;
McLaren, David;
O'Neale, Dion;
Owren, Brynjulf;
Quispel, Reinout.
(2009)
Preserving energy resp. dissipation in numerical PDEs, using the Average Vector Field method.
2009.
Rapport
-
Celledoni, Elena;
McLachlan, I. Robert;
McLaren, David;
Owren, Brynjulf;
Reinout, Quispel;
Wright, Will.
(2009)
Energy-preserving Runge-Kutta methods.
Mathematical Modelling and Numerical Analysis.
volum 43 (4).
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout.
(2009)
Energy-preserving integrators and the structure of B-series.
2009.
Rapport
-
Celledoni, Elena;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout.
(2009)
Structure of B-series for some classes of Geometric Integrators.
AIP Conference Proceedings.
volum 1168.
Vitenskapelig artikkel
-
Dahlby, Morten Lien;
Owren, Brynjulf.
(2009)
Plane wave stability of some conservative schemes for the cubic Schrödinger equation.
Mathematical Modelling and Numerical Analysis.
volum 43 (4).
Vitenskapelig artikkel
2008
-
Celledoni, Elena;
Cohen, David;
Owren, Brynjulf.
(2008)
Symmetric exponential integrators for the nonlinear Schroedinger equation.
Foundations of Computational Mathematics.
volum 8.
Vitenskapelig artikkel
-
Celledoni, Elena;
McLaren, David;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout;
Wright, Will.
(2008)
Energy-preserving Runge-Kutta methods.
2008.
Rapport
-
Celledoni, Elena;
McLaren, David;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout;
Wright, Will.
(2008)
Energy-preserving methods and B-series.
21st Nordic Seminar on Computational Mechanics.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Cohen, David;
Owren, B;
Raynaud, X.
(2008)
Symplectic integration of the Carnassa-Holm equation.
Journal of Computational Physics.
volum 227.
Vitenskapelig artikkel
-
Cohen, David;
Owren, Brynjulf;
Raynaud, Xavier.
(2008)
Multi-symplectic integration of the Camassa–Holm equation.
Journal of Computational Physics.
volum 227 (11).
Vitenskapelig artikkel
-
Dahlby, Morten Lien;
Owren, Brynjulf.
(2008)
Plane wave stability of some conservative schemes for the cubic Schrödinger equation.
2008.
Rapport
-
Munthe-Kaas, Hans;
Owren, Brynjulf.
(2008)
Mathematics and Computation, a Contemporary View: The Abel Symposium 2006.
Springer. 2008. ISBN 978-3-540-68848-8.
Vitenskapelig antologi/Konferanseserie
2006
-
Berland, Håvard;
Owren, Brynjulf;
Skaflestad, Bård.
(2006)
Solving the nonlinear Schrodinger equation using exponential integrators.
MIC Journal: Modeling, Identification and Control.
volum 27 (4).
Vitenskapelig artikkel
-
Celledoni, Elena;
Cohen, David;
Owren, Brynjulf.
(2006)
Symmetric exponential integrators for the cubic Schroedinger equation.
2006.
Rapport
-
Owren, Brynjulf.
(2006)
Order conditions for commutator-free Lie group methods.
Journal of Physics A: Mathematical and General.
volum 39 (19).
Vitenskapelig artikkel
2005
-
Berland, Håvard;
Owren, Brynjulf;
Skaflestad, Bård.
(2005)
B-series and order conditions for exponential integrators.
SIAM Journal on Numerical Analysis.
Vitenskapelig artikkel
2004
-
Kværnø, Anne;
Kozlov, Roman;
Owren, Brynjulf.
(2004)
The behaviour of the local error in splitting methods applied to stiff problems.
Journal of Computational Physics.
volum 195 (2).
Vitenskapelig artikkel
2003
-
Berland, Håvard;
Owren, Brynjulf.
(2003)
Algebraic Structures on Ordered Rooted Trees and Their Significance to Lie Group Integrators.
2003.
Rapport
-
Casas, Fernando;
Owren, Brynjulf.
(2003)
Cost Efficient Lie Group Integrators in the RKMK Class.
BIT Numerical Mathematics.
volum 43 (4).
Vitenskapelig artikkel
-
Celledoni, Elena;
Owren, Brynjulf.
(2003)
On the Implementation of Lie Group Methods on the Stiefel Manifold.
Numerical Algorithms.
volum 32.
Vitenskapelig artikkel
-
Owren, Brynjulf;
Kværnø, Anne;
Kozlov, Roman.
(2003)
The behaviour of the local error in splitting methods applied to stiff problems.
2003. Preprint Numerics, Department of Mathematical Sciences, NTNU (1).
Rapport
-
Casas, F;
Owren, Brynjulf.
(2003)
Cost efficient Lie group integrators in the RKMK class.
Applied Numerical Mathematics.
volum 43.
Vitenskapelig artikkel
-
Celledoni, Elena;
Marthinsen, Arne;
Owren, Brynjulf.
(2003)
Commutator-free Lie group methods.
Future generations computer systems.
volum 19 (3).
Vitenskapelig artikkel
-
Celledoni, Elena;
Owren, Brynjulf.
(2003)
Lie group methods for rigid body dynamics and time integration on manifolds.
Computer Methods in Applied Mechanics and Engineering.
volum 19 (3/4).
Vitenskapelig artikkel
2002
-
Casas, Fernando;
Owren, Brynjulf.
(2002)
Cost efficient Lie group integrators in the RKMK class.
2002. Preprint Numerics, Department of Mathematical Sciences, NTNU (5/2002).
Rapport
-
Celledoni, Elena;
Owren, Brynjulf.
(2002)
A class of intrinsic schemes for orthogonal integration.
SIAM Journal on Numerical Analysis.
volum 40 (6).
Vitenskapelig artikkel
2001
-
Celledoni, Elena;
Owren, Brynjulf.
(2001)
A class of low complexity intrinsic schemes for orthogonal integration.
2001. Preprint Numerics, Department of Mathematical Sciences, NTNU (1).
Rapport
-
Marthinsen, Arne;
Owren, Brynjulf.
(2001)
A note on the construction of Crouch-Grossman methods.
BIT Numerical Mathematics.
volum 41 (1).
Vitenskapelig artikkel
-
Owren, Brynjulf.
(2001)
Quadrature methods based on the Cayley transform.
Applied Numerical Mathematics.
volum 39.
Vitenskapelig artikkel
-
Owren, Brynjulf;
Marthinsen, Arne.
(2001)
Integration methods based on canonical coordinates of the second kind.
Numerische Mathematik.
volum 87 (4).
Vitenskapelig artikkel
2000
-
Jackiewicz, Zdzislaw;
Marthinsen, Arne;
Owren, Brynjulf.
(2000)
Construction of Runge-Kutta methods of Crouch-Grossman type of high order.
Advances in Computational Mathematics.
volum 13 (4).
Vitenskapelig artikkel
-
Owren, Brynjulf;
Welfert, Bruno.
(2000)
The Newton Iteration on Lie Groups.
BIT Numerical Mathematics.
volum 40 (1).
Vitenskapelig artikkel
1999
-
Jackiewicz, Zdzislaw;
Marthinsen, Arne;
Owren, Brynjulf.
(1999)
Construction of Runge-Kutta Methods of Crouch-Grossman Type of High Order.
1999. Preprint Numerics, Department of Mathematical Sciences, NTNU (4).
Rapport
-
Kozlov, Roman;
Owren, Brynjulf.
(1999)
Order reduction in operator splitting methods.
1999. Preprint Numerics, Department of Mathematical Sciences, NTNU (6).
Rapport
-
Marthinsen, Arne;
Owren, Brynjulf.
(1999)
Quadrature Methods Based on the Cayley Transform.
1999. Preprint series Numerics (1999/1).
Rapport
-
Munthe-Kaas, Hans;
Owren, Brynjulf.
(1999)
Computations in a Free Lie Algebra.
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.
volum 357.
Vitenskapelig artikkel
-
Owren, Brynjulf;
Marthinsen, Arne.
(1999)
Runge-Kutta methods adapted to manifolds and based on rigid frames.
BIT Numerical Mathematics.
volum 39 (1).
Vitenskapelig artikkel
1998
-
Ekeland, Kersti;
Owren, Brynjulf;
Øines, Eivor.
(1998)
Stiffness detection and estimation of dominant spectra with explicit Runge-Kutta methods.
ACM Transactions on Mathematical Software.
volum 24 (4).
Vitenskapelig artikkel
-
Jackiewicz, Zdzislaw;
Owren, Brynjulf;
Welfert, Bruno D..
(1998)
Pseudospectra of waveform relaxation operators.
Computers and Mathematics with Applications.
volum 36 (8).
Vitenskapelig artikkel
-
Munthe-Kaas, Hans;
Owren, Brynjulf.
(1998)
Computations in a free Lie algebra.
1998. Reports in Informatics (148).
Rapport
1997
-
Marthinsen, Arne;
Marthinsen, Arne;
Munthe-Kaas, Hans;
Munthe-Kaas, Hans;
Owren, Brynjulf.
(1997)
Simulation of ordinary differential equations on manifolds : some numerical experiments and verifications.
MIC Journal: Modeling, Identification and Control.
volum 18 (1).
Vitenskapelig artikkel
1996
-
Nørsett, Syvert Paul;
Kværnø, Anne;
Owren, Brynjulf.
(1996)
Runge-Kutta research in Trondheim.
Applied Numerical Mathematics.
volum 22.
Vitenskapelig artikkel
1994
-
Enright, Wayne H.;
Higham, Desmond J.;
Owren, Brynjulf;
Sharp, Philip W..
(1994)
A Survey of the Explicit Runge-Kutta Method.
1994.
Rapport
1993
-
Landrø, Martin;
Zaalberg-Metselaar, Gitta;
Owren, Brynjulf;
Vaage, Svein.
(1993)
Modeling of water-gun signatures.
Geophysics.
volum 58 (1).
Vitenskapelig artikkel
-
Muir, Paul;
Owren, Brynjulf.
(1993)
Order Barriers and characterizations for continuous mono-implicit Runge-Kutta schemes.
Mathematics of Computation.
volum 61 (204).
Vitenskapelig artikkel
1992
-
Owren, Brynjulf;
Zennaro, Marino.
(1992)
Derivation of efficient, continuous explicit Runge-Kutta methods.
SIAM Journal of Scientific and Statistical Computing.
volum 13 (6).
Vitenskapelig artikkel
1991
-
Owren, Brynjulf;
Seip, Kristian.
(1991)
A uniqueness result related to the stability of explicit Runge-Kutta methods.
BIT Numerical Mathematics.
volum 31 (2).
Vitenskapelig artikkel
-
Owren, Brynjulf;
Zennaro, Marino.
(1991)
Order barriers for continuous explicit Runge-Kutta methods.
Mathematics of Computation.
volum 56 (194).
Vitenskapelig artikkel
1990
-
Owren, Brynjulf;
Seip, Kristian.
(1990)
Some stability results for explicit Runge-Kutta methods.
BIT Numerical Mathematics.
volum 30 (4).
Vitenskapelig artikkel
Tidsskriftspublikasjoner
-
Celledoni, Elena;
Cokaj, Ergys;
Leone, Andrea;
Murari, Davide;
Owren, Brynjulf Rustad.
(2022)
Dynamics of the N-fold Pendulum in the Framework of Lie Group Integrators.
Mathematics in Industry.
volum 39.
Vitenskapelig artikkel
-
Celledoni, Elena;
Evripidou, Charalambos;
McLaren, David I.;
Owren, Brynjulf;
Quispel, G.R.W.;
Tapley, Benjamin Kwanen.
(2022)
DETECTING AND DETERMINING PRESERVED MEASURES AND INTEGRALS OF BIRATIONAL MAPS.
Journal of Computational Dynamics.
volum 9 (4).
Vitenskapelig artikkel
-
Celledoni, Elena;
Leone, Andrea;
Murari, Davide;
Owren, Brynjulf.
(2022)
Learning Hamiltonians of constrained mechanical systems.
Journal of Computational and Applied Mathematics.
volum 417.
Vitenskapelig artikkel
-
Haugen, Kjetil K.;
Solberg, Harry Arne;
Sætre, Irene Lange;
Kringstad, Morten;
Gammelsæter, Hallgeir;
Vik, Erlend;
Heen, Knut Peder;
Loktu, Morten;
Halse, Lise Lillebrygfjeld;
Strandhagen, Jan Ola;
Waagbø, Arild Johan;
Guvåg, Bjørn;
Einevoll, Gaute;
Hauge, Olav;
Hansson, Lisa;
Nerland, Sølve Mikal Krekvik;
Olstad, Asmund;
Owren, Brynjulf.
(2022)
Fra toppen av Haugen : historien gjentar seg for tabelltipping-kongen.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
-
Haugen, Kjetil K.;
Solberg, Harry Arne;
Sætre, Irene Lange;
Loktu, Morten;
Guvåg, Bjørn;
Owren, Brynjulf;
Kringstad, Morten;
Halse, Lise Lillebrygfjeld;
Hansson, Lisa;
Vik, Erlend;
Einevoll, Gaute;
Heen, Knut Peder;
Nerland, Sølve Mikal Krekvik;
Hauge, Olav;
Olstad, Asmund;
Gammelsæter, Hallgeir;
Strandhagen, Jan Ola.
(2022)
Fra toppen av Haugen : årets vinner er fra NTNU.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
-
Tapley, Benjamin Kwanen;
Andersson, Helge Ingolf;
Celledoni, Elena;
Owren, Brynjulf.
(2022)
Computational geometric methods for preferential clustering of particle suspensions.
Journal of Computational Physics.
volum 448.
Vitenskapelig artikkel
-
Andersson, Helge Ingolf;
Celledoni, Elena;
Ohm, Laurel;
Owren, Brynjulf;
Tapley, Benjamin.
(2021)
An integral model based on slender body theory, with applications to curved rigid fibers.
Physics of Fluids.
volum 33 (4).
Vitenskapelig artikkel
-
Celledoni, Elena;
Ehrhardt, Matthias J.;
Etmann, Christian;
McLachlan, Robert I.;
Owren, Brynjulf;
Schönlieb, Carola-Bibiane;
Sherry, Ferdia.
(2021)
Structure preserving deep learning.
European journal of applied mathematics.
Vitenskapelig artikkel
-
Celledoni, Elena;
Ehrhardt, Matthias J.;
Etmann, Christian;
Owren, Brynjulf;
Schönlieb, Carola-Bibiane;
Sherry, Ferdia.
(2021)
Equivariant neural networks for inverse problems.
Inverse Problems.
volum 37 (8).
Vitenskapelig artikkel
-
Celledoni, Elena;
Çokaj, Ergys;
Leone, Andrea;
Murari, Davide;
Owren, Brynjulf.
(2021)
Lie Group integrators for mechanical systems.
International Journal of Computer Mathematics.
Vitenskapelig artikkel
-
Curry, Charles Henry Alexander;
Ebrahimi-Fard, Kurusch;
Owren, Brynjulf.
(2020)
The Magnus expansion and post-Lie algebras.
Mathematics of Computation.
volum 89 (326).
Vitenskapelig artikkel
-
Haugen, Kjetil K.;
Strandhagen, Jan Ola;
Solberg, Harry Arne;
Kringstad, Morten;
Owren, Brynjulf;
Hansson, Lisa;
Halse, Lise Lillebrygfjeld;
Sætre, Irene Lange;
Heen, Knut Peder;
Gammelsæter, Hallgeir;
Guvåg, Bjørn;
Hauge, Olav;
Vik, Erlend;
Hvattum, Lars Magnus;
Nerland, Sølve Mikal Krekvik.
(2020)
Fra toppen av Haugen : svensk norgesmester i verdensklasse.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
-
Benning, Martin;
Celledoni, Elena;
Ehrhardt, Matthias J.;
Owren, Brynjulf;
Schönlieb, Carola-Bibiane.
(2019)
Deep learning as optimal control problems: models and numerical methods.
Journal of Computational Dynamics.
volum 6 (2).
Vitenskapelig artikkel
-
Celledoni, Elena;
Eidnes, Sølve;
Owren, Brynjulf;
Ringholm, Torbjørn.
(2019)
Energy-preserving methods on Riemannian manifolds.
Mathematics of Computation.
volum 89 (322).
Vitenskapelig artikkel
-
Celledoni, Elena;
Evripidou, Charalambos;
McLaren, David I.;
Owren, Brynjulf;
Quispel, G.R.W.;
Tapley, Benjamin.
(2019)
Discrete Darboux polynomials and the search for preserved measures and integrals of rational maps.
arXiv.org.
Vitenskapelig artikkel
-
Celledoni, Elena;
Evripidou, Charalambos;
McLaren, David I.;
Owren, Brynjulf;
Quispel, Gilles Reinout Willem;
Tapley, Benjamin;
van der Kamp, Peter H..
(2019)
Using discrete Darboux polynomials to detect and determine preserved measures and integrals of rational maps.
Journal of Physics A: Mathematical and Theoretical.
volum 52 (31).
Vitenskapelig artikkel
-
Celledoni, Elena;
Evripidou, Charalambos;
McLaren, David I.;
Owren, Brynjulf;
Quispel, Gilles Reinout Willem;
Tapley, Benjamin;
van der Kamp, Peter H..
(2019)
Using discrete Darboux polynomials to detect and determine preserved measures and integrals of rational maps.
arXiv.org.
Vitenskapelig artikkel
-
Celledoni, Elena;
McLaren, David;
Owren, Brynjulf;
Quispel, Reinout.
(2019)
Geometric and integrability properties of Kahan?s method: The preservation of certain quadratic integrals.
Journal of Physics A: Mathematical and Theoretical.
volum 52 (6).
Vitenskapelig artikkel
-
Curry, Charles Henry Alexander;
Owren, Brynjulf.
(2019)
Variable step size commutator free Lie group integrators.
Numerical Algorithms.
volum 82 (4).
Vitenskapelig artikkel
-
Haugen, Kjetil K.;
Owren, Brynjulf;
Strandhagen, Jan Ola;
Kringstad, Morten;
Solberg, Harry Arne;
Guvåg, Bjørn;
Hauge, Olav;
Gammelsæter, Hallgeir;
Heen, Knut Peder;
Hvattum, Lars Magnus;
Vik, Erlend;
Nerland, Sølve Mikal;
Sande, Andre Bekkevold.
(2019)
Fra toppen av Haugen : tabelltips 2019: stadig norgesmester fra Molde.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
-
Tapley, Benjamin;
Celledoni, Elena;
Owren, Brynjulf;
Andersson, Helge Ingolf.
(2019)
A novel approach to rigid spheroid models in viscous flows using operator splitting methods.
Numerical Algorithms.
volum 81 (4).
Vitenskapelig artikkel
-
Tapley, Benjamin;
Owren, Brynjulf;
Celledoni, Elena;
Andersson, Helge Ingolf.
(2019)
Computational methods for tracking inertial particles in discrete incompressible flows.
arXiv.org.
Vitenskapelig artikkel
-
van der Kamp, Peter H.;
Celledoni, Elena;
Mclachlan, Robert, i;
McLaren, David I.;
Owren, Brynjulf;
Quispel, Gilles Reinout Willem.
(2019)
Three classes of quadratic vector fields for which the Kahan discretization is the root of a generalised Manin transformation.
Journal of Physics A: Mathematical and Theoretical.
volum 52 (4).
Vitenskapelig artikkel
-
Zanna, Antonella;
Owren, Brynjulf.
(2019)
Holmboeprisen 2018.
Tangenten - Tidsskrift for matematikkundervisning.
Populærvitenskapelig artikkel
-
Celledoni, Elena;
Eidnes, Sølve;
Owren, Brynjulf;
Ringholm, Torbjørn.
(2018)
Dissipative numerical schemes on Riemannian manifolds with applications to gradient flows.
SIAM Journal on Scientific Computing.
volum 40 (6).
Vitenskapelig artikkel
-
Curry, Charles Henry Alexander;
Ebrahimi-Fard, Kurusch;
Owren, Brynjulf.
(2018)
The Magnus expansion and Post-Lie algebras.
arXiv.org.
Vitenskapelig artikkel
-
Haugen, Kjetil K.;
Heen, Knut Peder;
Hauge, Olav;
Gammelsæter, Hallgeir;
Guvåg, Bjørn;
Kringstad, Morten;
Solberg, Harry Arne;
Owren, Brynjulf;
Strandhagen, Jan Ola.
(2018)
Fra toppen av Haugen : dobbelt norgesmester.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
-
Haugen, Kjetil K.;
Owren, Brynjulf.
(2018)
Predicting football tables by a maximally parsimonious model.
Mathematics for applications.
volum 7 (2).
Vitenskapelig artikkel
-
Owren, Brynjulf.
(2018)
Holmboeprisen 2017.
Tangenten - Tidsskrift for matematikkundervisning.
Populærvitenskapelig artikkel
-
Tapley, Benjamin;
Celledoni, Elena;
Owren, Brynjulf;
Andersson, Helge Ingolf.
(2018)
A novel approach to rigid spheroid models in viscous flows using operator splitting methods.
arXiv.org.
Vitenskapelig artikkel
-
Eidnes, Sølve;
Owren, Brynjulf;
Ringholm, Torbjørn.
(2017)
Adaptive energy preserving methods for partial differential equations.
Advances in Computational Mathematics.
Vitenskapelig artikkel
-
Haugen, Kjetil K.;
Hauge, Olav;
Guvåg, Bjørn;
Gammelsæter, Hallgeir;
Heen, Knut Peder;
Owren, Brynjulf;
Strandhagen, Jan Ola;
Kringstad, Morten;
Solberg, Harry Arne.
(2017)
Fra toppen av Haugen : norgesmester fra Molde.
Panorama : nettavis for Høgskolen i Molde.
Kronikk
-
Owren, Brynjulf.
(2017)
Holmboeprisvinneren 2016.
Tangenten - Tidsskrift for matematikkundervisning.
Populærvitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, I. Robert;
McLaren, David;
Owren, Brynjulf;
Quispel, Reinout.
(2016)
Two classes of quadratic vector fields for which the Kahan discretization is integrable.
MI Lecture Note, Kyushu University.
volum 74.
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout.
(2016)
Two classes of quadratic vector fields for which the Kahan discretization is completely integrable MI Lecture Note Vol.74 : Kyushu University.
MI Lecture Note, Kyushu University.
volum 74.
Vitenskapelig artikkel
-
Curry, Charles Henry Alexander;
Owren, Brynjulf.
(2016)
A Computationally Inexpensive Coordinate Map for Lie Group Integrators.
MI Lecture Note, Kyushu University.
volum 74.
Vitenskapelig artikkel
-
Marthinsen, Håkon;
Owren, Brynjulf.
(2016)
Geometric integration of non-autonomous linear Hamiltonian problems.
Advances in Computational Mathematics.
volum 42 (2).
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, I. Robert;
McLaren, David;
Owren, Brynjulf;
Quispel, Reinout.
(2015)
Discretization of polynomial vector fields by polarization.
Proceedings of the Royal Society. Mathematical, Physical and Engineering Sciences.
volum 471:20150390.
Vitenskapelig artikkel
-
Celledoni, Elena;
Marthinsen, Håkon;
Owren, Brynjulf.
(2014)
An introduction to Lie group integrators - basics, new developments and applications.
Journal of Computational Physics.
volum 257, Part B.
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, Robert I.;
McLaren, David;
Owren, Brynjulf;
Quispel, G. R. W..
(2014)
Integrability properties of Kahanʼs method.
Journal of Physics A: Mathematical and Theoretical.
volum 47 (36).
Vitenskapelig artikkel
-
Celledoni, Elena;
Owren, Brynjulf.
(2014)
Preserving first integrals with symmetric Lie group methods.
Discrete and Continuous Dynamical Systems. Series A.
volum 34 (3).
Vitenskapelig artikkel
-
Celledoni, Elena;
Owren, Brynjulf;
Sun, Yajuan.
(2014)
The minimal stage, energy preserving Runge-Kutta method for polynomial Hamiltonian systems is the Averaged Vector Field method.
Mathematics of Computation.
volum 83 (288).
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, Robert I.;
Owren, Brynjulf;
Quispel, G.R.W..
(2013)
Geometric properties of Kahan's method.
Journal of Physics A: Mathematical and Theoretical.
volum 46 (2).
Vitenskapelig artikkel
-
Celledoni, Elena;
Grimm, Volker;
McLachlan, Robert I.;
McLaren, David;
O'Neale, Dion;
Owren, Brynjulf;
Quispel, G.R.W.
(2012)
Preserving energy resp. dissipation in numerical PDEs using the ‘‘Average Vector Field’’ method.
Journal of Computational Physics.
volum 231 (20).
Vitenskapelig artikkel
-
Christiansen, Snorre H;
Munthe-Kaas, Hans;
Owren, Brynjulf.
(2011)
Topics in structure-preserving discretization.
Acta Numerica.
volum 20.
Vitenskapelig oversiktsartikkel/review
-
Dahlby, Morten;
Owren, Brynjulf.
(2011)
A General Framework for Deriving Integral Preserving Numerical Methods for PDEs.
SIAM Journal on Scientific Computing.
volum 33 (5).
Vitenskapelig artikkel
-
Dahlby, Morten;
Owren, Brynjulf;
Yaguchi, Takaharu.
(2011)
Preserving multiple first integrals by discrete gradients.
Journal of Physics A: Mathematical and Theoretical.
volum 44 (30).
Vitenskapelig artikkel
-
Owren, Brynjulf.
(2011)
Werner Romberg: "Vereinfachte numerische Integration''.
Skrifter.
Populærvitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout.
(2010)
Energy-Preserving Integrators and the Structure of B-series.
Foundations of Computational Mathematics.
volum 10 (6).
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout.
(2010)
On conjugate B-series and their geometric structure.
Journal on Numerical Analysis Industrial and Applied Mathematics.
volum 5 (1-2).
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, I. Robert;
McLaren, David;
Owren, Brynjulf;
Reinout, Quispel;
Wright, Will.
(2009)
Energy-preserving Runge-Kutta methods.
Mathematical Modelling and Numerical Analysis.
volum 43 (4).
Vitenskapelig artikkel
-
Celledoni, Elena;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout.
(2009)
Structure of B-series for some classes of Geometric Integrators.
AIP Conference Proceedings.
volum 1168.
Vitenskapelig artikkel
-
Dahlby, Morten Lien;
Owren, Brynjulf.
(2009)
Plane wave stability of some conservative schemes for the cubic Schrödinger equation.
Mathematical Modelling and Numerical Analysis.
volum 43 (4).
Vitenskapelig artikkel
-
Celledoni, Elena;
Cohen, David;
Owren, Brynjulf.
(2008)
Symmetric exponential integrators for the nonlinear Schroedinger equation.
Foundations of Computational Mathematics.
volum 8.
Vitenskapelig artikkel
-
Cohen, David;
Owren, B;
Raynaud, X.
(2008)
Symplectic integration of the Carnassa-Holm equation.
Journal of Computational Physics.
volum 227.
Vitenskapelig artikkel
-
Cohen, David;
Owren, Brynjulf;
Raynaud, Xavier.
(2008)
Multi-symplectic integration of the Camassa–Holm equation.
Journal of Computational Physics.
volum 227 (11).
Vitenskapelig artikkel
-
Berland, Håvard;
Owren, Brynjulf;
Skaflestad, Bård.
(2006)
Solving the nonlinear Schrodinger equation using exponential integrators.
MIC Journal: Modeling, Identification and Control.
volum 27 (4).
Vitenskapelig artikkel
-
Owren, Brynjulf.
(2006)
Order conditions for commutator-free Lie group methods.
Journal of Physics A: Mathematical and General.
volum 39 (19).
Vitenskapelig artikkel
-
Berland, Håvard;
Owren, Brynjulf;
Skaflestad, Bård.
(2005)
B-series and order conditions for exponential integrators.
SIAM Journal on Numerical Analysis.
Vitenskapelig artikkel
-
Kværnø, Anne;
Kozlov, Roman;
Owren, Brynjulf.
(2004)
The behaviour of the local error in splitting methods applied to stiff problems.
Journal of Computational Physics.
volum 195 (2).
Vitenskapelig artikkel
-
Casas, Fernando;
Owren, Brynjulf.
(2003)
Cost Efficient Lie Group Integrators in the RKMK Class.
BIT Numerical Mathematics.
volum 43 (4).
Vitenskapelig artikkel
-
Celledoni, Elena;
Owren, Brynjulf.
(2003)
On the Implementation of Lie Group Methods on the Stiefel Manifold.
Numerical Algorithms.
volum 32.
Vitenskapelig artikkel
-
Casas, F;
Owren, Brynjulf.
(2003)
Cost efficient Lie group integrators in the RKMK class.
Applied Numerical Mathematics.
volum 43.
Vitenskapelig artikkel
-
Celledoni, Elena;
Marthinsen, Arne;
Owren, Brynjulf.
(2003)
Commutator-free Lie group methods.
Future generations computer systems.
volum 19 (3).
Vitenskapelig artikkel
-
Celledoni, Elena;
Owren, Brynjulf.
(2003)
Lie group methods for rigid body dynamics and time integration on manifolds.
Computer Methods in Applied Mechanics and Engineering.
volum 19 (3/4).
Vitenskapelig artikkel
-
Celledoni, Elena;
Owren, Brynjulf.
(2002)
A class of intrinsic schemes for orthogonal integration.
SIAM Journal on Numerical Analysis.
volum 40 (6).
Vitenskapelig artikkel
-
Marthinsen, Arne;
Owren, Brynjulf.
(2001)
A note on the construction of Crouch-Grossman methods.
BIT Numerical Mathematics.
volum 41 (1).
Vitenskapelig artikkel
-
Owren, Brynjulf.
(2001)
Quadrature methods based on the Cayley transform.
Applied Numerical Mathematics.
volum 39.
Vitenskapelig artikkel
-
Owren, Brynjulf;
Marthinsen, Arne.
(2001)
Integration methods based on canonical coordinates of the second kind.
Numerische Mathematik.
volum 87 (4).
Vitenskapelig artikkel
-
Jackiewicz, Zdzislaw;
Marthinsen, Arne;
Owren, Brynjulf.
(2000)
Construction of Runge-Kutta methods of Crouch-Grossman type of high order.
Advances in Computational Mathematics.
volum 13 (4).
Vitenskapelig artikkel
-
Owren, Brynjulf;
Welfert, Bruno.
(2000)
The Newton Iteration on Lie Groups.
BIT Numerical Mathematics.
volum 40 (1).
Vitenskapelig artikkel
-
Munthe-Kaas, Hans;
Owren, Brynjulf.
(1999)
Computations in a Free Lie Algebra.
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.
volum 357.
Vitenskapelig artikkel
-
Owren, Brynjulf;
Marthinsen, Arne.
(1999)
Runge-Kutta methods adapted to manifolds and based on rigid frames.
BIT Numerical Mathematics.
volum 39 (1).
Vitenskapelig artikkel
-
Ekeland, Kersti;
Owren, Brynjulf;
Øines, Eivor.
(1998)
Stiffness detection and estimation of dominant spectra with explicit Runge-Kutta methods.
ACM Transactions on Mathematical Software.
volum 24 (4).
Vitenskapelig artikkel
-
Jackiewicz, Zdzislaw;
Owren, Brynjulf;
Welfert, Bruno D..
(1998)
Pseudospectra of waveform relaxation operators.
Computers and Mathematics with Applications.
volum 36 (8).
Vitenskapelig artikkel
-
Marthinsen, Arne;
Marthinsen, Arne;
Munthe-Kaas, Hans;
Munthe-Kaas, Hans;
Owren, Brynjulf.
(1997)
Simulation of ordinary differential equations on manifolds : some numerical experiments and verifications.
MIC Journal: Modeling, Identification and Control.
volum 18 (1).
Vitenskapelig artikkel
-
Nørsett, Syvert Paul;
Kværnø, Anne;
Owren, Brynjulf.
(1996)
Runge-Kutta research in Trondheim.
Applied Numerical Mathematics.
volum 22.
Vitenskapelig artikkel
-
Landrø, Martin;
Zaalberg-Metselaar, Gitta;
Owren, Brynjulf;
Vaage, Svein.
(1993)
Modeling of water-gun signatures.
Geophysics.
volum 58 (1).
Vitenskapelig artikkel
-
Muir, Paul;
Owren, Brynjulf.
(1993)
Order Barriers and characterizations for continuous mono-implicit Runge-Kutta schemes.
Mathematics of Computation.
volum 61 (204).
Vitenskapelig artikkel
-
Owren, Brynjulf;
Zennaro, Marino.
(1992)
Derivation of efficient, continuous explicit Runge-Kutta methods.
SIAM Journal of Scientific and Statistical Computing.
volum 13 (6).
Vitenskapelig artikkel
-
Owren, Brynjulf;
Seip, Kristian.
(1991)
A uniqueness result related to the stability of explicit Runge-Kutta methods.
BIT Numerical Mathematics.
volum 31 (2).
Vitenskapelig artikkel
-
Owren, Brynjulf;
Zennaro, Marino.
(1991)
Order barriers for continuous explicit Runge-Kutta methods.
Mathematics of Computation.
volum 56 (194).
Vitenskapelig artikkel
-
Owren, Brynjulf;
Seip, Kristian.
(1990)
Some stability results for explicit Runge-Kutta methods.
BIT Numerical Mathematics.
volum 30 (4).
Vitenskapelig artikkel
Bøker
-
Munthe-Kaas, Hans;
Owren, Brynjulf.
(2008)
Mathematics and Computation, a Contemporary View: The Abel Symposium 2006.
Springer. 2008. ISBN 978-3-540-68848-8.
Vitenskapelig antologi/Konferanseserie
Del av bok/rapport
-
Ohm, Laurel;
Tapley, Benjamin;
Andersson, Helge Ingolf;
Celledoni, Elena;
Owren, Brynjulf.
(2019)
A slender body model for thin rigid fibers: validation and comparisons.
MekIT’19 - 10th National Conference on Computational Mechanics (Trondheim, Norway, 3-4 June 2019).
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Celledoni, Elena;
McLaren, David;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout;
Wright, Will.
(2008)
Energy-preserving methods and B-series.
21st Nordic Seminar on Computational Mechanics.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Rapport
-
Murari, Davide;
Celledoni, Elena;
Owren, Brynjulf Rustad;
Sherry, Ferdia;
Schönlieb, Carola-Bibiane.
(2022)
Structure preserving neural networks based on ODEs.
2022.
Rapport
-
Celledoni, Elena;
McLachlan, Robert I.;
McLaren, David I.;
Owren, Brynjulf;
Quispel, G.R.W..
(2015)
Discretization of polynomial vector fields by polarization.
2015.
Rapport
-
Eidnes, Sølve;
Owren, Brynjulf;
Ringholm, Torbjørn.
(2015)
Adaptive Energy Preserving Methods for Partial Differential Equations.
2015.
Rapport
-
Marthinsen, Håkon;
Owren, Brynjulf.
(2014)
Geometric integration of non-autonomous Hamiltonian problems.
2014.
Rapport
-
Dahlby, Morten Lien;
Owren, Brynjulf.
(2010)
A general framework for deriving integral preserving numerical methods for PDEs.
2010.
Rapport
-
Dahlby, Morten Lien;
Owren, Brynjulf;
Yaguchi, Takaharu.
(2010)
Preserving multiple first integrals by discrete gradients.
2010.
Rapport
-
Celledoni, Elena;
Grimm, V;
McLachlan, I. Robert;
McLaren, David;
O'Neale, Dion;
Owren, Brynjulf;
Quispel, Reinout.
(2009)
Preserving energy resp. dissipation in numerical PDEs, using the Average Vector Field method.
2009.
Rapport
-
Celledoni, Elena;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout.
(2009)
Energy-preserving integrators and the structure of B-series.
2009.
Rapport
-
Celledoni, Elena;
McLaren, David;
McLachlan, I. Robert;
Owren, Brynjulf;
Quispel, Reinout;
Wright, Will.
(2008)
Energy-preserving Runge-Kutta methods.
2008.
Rapport
-
Dahlby, Morten Lien;
Owren, Brynjulf.
(2008)
Plane wave stability of some conservative schemes for the cubic Schrödinger equation.
2008.
Rapport
-
Celledoni, Elena;
Cohen, David;
Owren, Brynjulf.
(2006)
Symmetric exponential integrators for the cubic Schroedinger equation.
2006.
Rapport
-
Berland, Håvard;
Owren, Brynjulf.
(2003)
Algebraic Structures on Ordered Rooted Trees and Their Significance to Lie Group Integrators.
2003.
Rapport
-
Owren, Brynjulf;
Kværnø, Anne;
Kozlov, Roman.
(2003)
The behaviour of the local error in splitting methods applied to stiff problems.
2003. Preprint Numerics, Department of Mathematical Sciences, NTNU (1).
Rapport
-
Casas, Fernando;
Owren, Brynjulf.
(2002)
Cost efficient Lie group integrators in the RKMK class.
2002. Preprint Numerics, Department of Mathematical Sciences, NTNU (5/2002).
Rapport
-
Celledoni, Elena;
Owren, Brynjulf.
(2001)
A class of low complexity intrinsic schemes for orthogonal integration.
2001. Preprint Numerics, Department of Mathematical Sciences, NTNU (1).
Rapport
-
Jackiewicz, Zdzislaw;
Marthinsen, Arne;
Owren, Brynjulf.
(1999)
Construction of Runge-Kutta Methods of Crouch-Grossman Type of High Order.
1999. Preprint Numerics, Department of Mathematical Sciences, NTNU (4).
Rapport
-
Kozlov, Roman;
Owren, Brynjulf.
(1999)
Order reduction in operator splitting methods.
1999. Preprint Numerics, Department of Mathematical Sciences, NTNU (6).
Rapport
-
Marthinsen, Arne;
Owren, Brynjulf.
(1999)
Quadrature Methods Based on the Cayley Transform.
1999. Preprint series Numerics (1999/1).
Rapport
-
Munthe-Kaas, Hans;
Owren, Brynjulf.
(1998)
Computations in a free Lie algebra.
1998. Reports in Informatics (148).
Rapport
-
Enright, Wayne H.;
Higham, Desmond J.;
Owren, Brynjulf;
Sharp, Philip W..
(1994)
A Survey of the Explicit Runge-Kutta Method.
1994.
Rapport
Undervisning
Emner
Formidling
2019
-
Vitenskapelig foredragOhm, Laurel; Tapley, Benjamin; Andersson, Helge Ingolf; Celledoni, Elena; Owren, Brynjulf. (2019) A slender body model for thin rigid fibers: validation and comparisons. 10th National Conference on Computational Mechanics . Faculty of Engineering NTNU; Trondheim. 2019-06-03 - 2019-06-04.
2018
-
Vitenskapelig foredragOwren, Brynjulf. (2018) Discrete gradient methods on Riemannian manifolds. ANODE 2018 . University of Auckland; Auckland. 2018-02-19 - 2018-02-23.
-
Vitenskapelig foredragOwren, Brynjulf. (2018) Numerical methods that conserve or dissipate energy on Riemannian manifolds. Modern Numerical Methods for Quantum Mechanics II . University of Gdansk; Gdansk. 2018-06-27 - 2018-06-29.
-
Vitenskapelig foredragOwren, Brynjulf. (2018) Structure preserving time integration schemes in computational mechanics. ASME 2018 IDETC/CIE ; Quebec. 2018-08-26 - 2018-08-29.
-
Vitenskapelig foredragOwren, Brynjulf; Curry, Charles Henry Alexander. (2018) Adaptive time-stepping in commutator-free Lie group integrators. NUMDIFF-15 ; 2018-09-03 - 2018-09-07.
-
Vitenskapelig foredragTapley, Benjamin; Celledoni, Elena; Owren, Brynjulf; Andersson, Helge Ingolf. (2018) A novel approach to rigid spheroid models in viscous flows using operator splitting methods. Auckland Numerical Ordinary Differential Equations Conference . University of Auckland; Auckland. 2018-02-19 - 2018-02-23.
2017
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Vitenskapelig foredragEidnes, Sølve; Owren, Brynjulf; Ringholm, Torbjørn. (2017) Adaptive energy preserving methods for partial differential equations. Manifolds and Geometric Integration Colloqium . UiB; Vatnahalsen. 2017-03-01 - 2017-03-05.
-
Vitenskapelig foredragEidnes, Sølve; Owren, Brynjulf; Ringholm, Torbjørn. (2017) Energy preserving moving mesh methods for PDEs. SciCADE 2017 ; University of Bath. 2017-09-11 - 2017-09-15.
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Vitenskapelig foredragEidnes, Sølve; Owren, Brynjulf; Ringholm, Torbjørn. (2017) Energy preserving moving mesh methods for PDEs. CHiPS (Challenges in the Preservation of Structure) Workshop 2017 . NTNU; NTNU, Trondheim. 2017-06-27 - 2017-06-30.
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Vitenskapelig foredragOwren, Brynjulf; Celledoni, Elena; Parks, Helen; Rebni Kjer, Vanje. (2017) Model reduction in Lie group integration. SciCADE 2017 . University of Bath; Bath. 2017-09-11 - 2017-09-15.
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Vitenskapelig foredragOwren, Brynjulf; Celledoni, Elena; Parks, Helen; Rebni Kjer, Vanje. (2017) Structure preserving model reduction on Lie groups. ChiPS kickoff meeting . NTNU; Trondheim. 2017-06-27 - 2017-06-30.
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Vitenskapelig foredragOwren, Brynjulf; Celledoni, Elena; Parks, Helen; Rebni Kjer, Vanje. (2017) Structure preserving model reduction on manifolds. From computation to information: recent advances in numerical analysis ; Cambridge. 2017-08-31 - 2017-09-01.
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Vitenskapelig foredragOwren, Brynjulf; Curry, Charles Henry Alexander. (2017) Coordinate maps on Lie groups and their relation to root systems. MaGIC 2017 . Universitetet i Bergen; Vatnahalsen. 2017-03-02 - 2017-03-05.
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Vitenskapelig foredragOwren, Brynjulf; Eidnes, Sølve; Ringholm, Torbjørn. (2017) Adaptive energy preserving methods for partial differential equations. FoCM 2017 . University of Barcelona; 2017-07-10 - 2017-07-19.
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Vitenskapelig foredragOwren, Brynjulf; Eidnes, Sølve; Ringholm, Torbjørn. (2017) Integral preserving methods on moving grids. Connections in Geometric Numerical Integration and Structure-Preserving Discretization . BIRS; Banff. 2017-06-12 - 2017-06-16.
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PosterTapley, Benjamin; Andersson, Helge Ingolf; Celledoni, Elena; Ohm, Laurel; Owren, Brynjulf; Zhao, Lihao. (2017) Splitting method integration of non-spherical particles in shear flow. FoCM 2017 ; Barcelona. 2017-07-10 - 2017-07-19.
2016
-
Vitenskapelig foredragOwren, Brynjulf. (2016) Geometric integration methods in model reduction. MaGIC ; Ilsetra, Lillehammer. 2016-02-18 - 2016-02-21.
-
Vitenskapelig foredragOwren, Brynjulf. (2016) Structure preserving model reduction on Lie groups. Geometric integration . MFO; Oberwolfach. 2016-03-21 - 2016-03-25.
-
Vitenskapelig foredragOwren, Brynjulf; Eidnes, Sølve; Ringholm, Torbjørn. (2016) Energy preserving methods for PDEs on moving meshes. SDIDE 2016 . Universitet i Trieste; Trieste. 2016-06-21 - 2016-06-24.
2015
-
Vitenskapelig foredragOwren, Brynjulf. (2015) An introduction to Lie group integrators. Brainstorming Workshop on New Developments in Discrete Mechanics, Geometric Integration and Lie-Butcher Series . ICMAT, Universidad Autónoma de Madrid; Madrid. 2015-05-25 - 2015-05-28.
-
Vitenskapelig foredragOwren, Brynjulf. (2015) Discretization of polynomial vector fields by polarization. MaGIC ; 2015-02-26 - 2015-03-01.
-
Vitenskapelig foredragOwren, Brynjulf. (2015) Energy preserving integrators for PDEs on moving meshes. Bluenose Applied and Computational Math Days Workshop . St. Mary's University; Halifax. 2015-07-11 - 2015-07-12.
-
Vitenskapelig foredragOwren, Brynjulf. (2015) Energy preserving methods for PDEs on moving meshes. NATW seminar, KU Leuven ; 2015-05-13 - 2015-05-13.
-
Vitenskapelig foredragOwren, Brynjulf. (2015) Structure preserving model reduction on Lie groups. International Conference on Scientific Computation And Differential Equations 2015 ; Potsdam University. 2015-09-14 - 2015-09-18.
-
Vitenskapelig foredragOwren, Brynjulf; Celledoni, Elena. (2015) Structure-preserving discretization of differential equations. AARMS-PIMS Summer School in Differential Equations and Numerical Analysis . AARMS/PIMS; Halifax. 2015-07-06 - 2015-07-31.
2014
-
Vitenskapelig foredragOwren, Brynjulf. (2014) Integral preserving numerical integrators for PDEs on moving meshes. FoCM'2014 ; Montevideo. 2014-12-11 - 2014-12-20.
-
Vitenskapelig foredragOwren, Brynjulf; Marthinsen, Håkon. (2014) A new look at geometric integrators for nonautonomous linear systems. AIMS 2014 . American Institute of Mathematical Sciences; Madrid. 2014-07-07 - 2014-07-11.
-
Vitenskapelig foredragOwren, Brynjulf; Marthinsen, Håkon. (2014) On canonical integrators for nonautonomous systems. KCNADE 2014 . University of Tokyo; Kyoto. 2014-09-16 - 2014-09-19.
2013
-
Vitenskapelig foredragCelledoni, Elena; Owren, Brynjulf. (2013) Integral preserving Lie group integrators. TNADE . ICMAT K Ebrahimi-Fard; Madrid. 2013-07-08 - 2013-07-12.
-
Vitenskapelig foredragCelledoni, Elena; Owren, Brynjulf. (2013) Lie group integrators and preservation of first integrals. MAGiC . NTNU and UiB; Geilo. 2013-02-26 - 2013-03-01.
-
Vitenskapelig foredragCelledoni, Elena; Owren, Brynjulf. (2013) Lie group methods for numerical simulation of mechanical systems. Nordic seminar in Computational Mechanics ; 2013-10-23 - 2013-10-25.
-
Vitenskapelig foredragOwren, Brynjulf. (2013) Integral preserving methods on moving grids. SciCADE 2013 . Universitad de Valladolid; 2013-09-16 - 2013-09-20.
-
Vitenskapelig foredragOwren, Brynjulf; Celledoni, Elena. (2013) Kahan's method and its geometric properties. Equadiff 2013 ; 2013-08-20 - 2013-08-30.
-
Vitenskapelig foredragOwren, Brynjulf; Celledoni, Elena; McLachlan, Robert I.; Quispel, G.R.W.. (2013) Kahan's integrator for quadratic problems and its geometric properties. Magic 2013 . UiB, NTNU; Geilo. 2013-02-25 - 2013-03-01.
2012
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Vitenskapelig foredragCelledoni, Elena; Owren, Brynjulf. (2012) The Kahan's method and its geometric properties. Structured Matrix Computations in non-Euclidean Geometries: Algorithms and Applications . Ahmed SALAM et al.; CIRM, Lumini. 2012-10-08 - 2012-10-12.
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Vitenskapelig foredragOwren, Brynjulf; Celledoni, Elena. (2012) Lie group integrators and the preservation of first integrals. Structured Matrix Computations in non-Euclidean Geometries: Algorithms and Applications . Ahmed SALAM et al.; CIRM, Lumini. 2012-10-08 - 2012-10-12.
2011
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Vitenskapelig foredragOwren, Brynjulf. (2011) On energy preserving Runge-Kutta methods for polynomial Hamiltonian systems. Foundations of Computational Mathematics ; Budapest. 2011-07-04 - 2011-07-14.
-
Vitenskapelig foredragOwren, Brynjulf. (2011) On the preservation of first integrals in numerical integrators. 9th International Conference of Numerical Analysis and Applied Mathematics ; Chalkidiki. 2011-09-19 - 2011-09-25.
2010
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Vitenskapelig foredragOwren, Brynjulf. (2010) Linearly implicit conservative numerical integrators for PDEs. TRAGIC 2010, Tasmanian Rigorous Analysis and Geometric Integration Conference . La Trobe University, Victoria, Australia; Launceston, Tasmania. 2010-12-13 - 2010-12-16.
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Vitenskapelig foredragOwren, Brynjulf; Dahlby, Morten Lien. (2010) Integral preserving numerical integrators for PDEs. New geometric and numeric tools for the analysis of differential equations . Banff International Research Station; 2010-08-13 - 2010-08-15.
2009
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Vitenskapelig foredragOwren, Brynjulf. (2009) Numerical computation of motion in Lie groups and subriemannian geometries. International Conference of sub-Riemannian Geometry and Vision . University of Bologna; Bologna. 2009-08-31 - 2009-09-03.
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Vitenskapelig foredragOwren, Brynjulf. (2009) On the construction and behavior of semi-explicit, conservative finite difference schemes for Hamiltonian PDEs. International Conference on Spectral and High Order Methods . NTNU; Trondheim. 2009-06-22 - 2009-06-26.
-
Vitenskapelig foredragOwren, Brynjulf. (2009) The Averaged Vector Field Method and its Applications to Hamiltonian PDEs. SciCADE 2009 . Chinese Academy of Science; Beijing. 2009-05-25 - 2009-05-29.
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Vitenskapelig foredragOwren, Brynjulf; Celledoni, Elena; McLachlan, I. Robert; Quispel, Reinout. (2009) Structure of B-series for some classes of geometric integrators. 7th International Conference of Numerical Analysis and Applied Mathematics . T. E. Simos; Rethymno, Crete. 2009-09-18 - 2009-09-22.
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Vitenskapelig foredragOwren, Brynjulf; Dahlby, Morten Lien. (2009) On Conservative, Linearly Implicit Difference Schemes for Hamiltonian PDEs. Workshop on Structure-Preserving Methods for Partial Differential Equations . The University of Tokyo; Tokyo. 2009-03-17 - 2889-03-19.
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Vitenskapelig foredragOwren, Brynjulf; Dahlby, Morten Lien. (2009) Plane wave stability of some conservative schemes for the cubic Schrödinger equation. MAGIC 2009 . Numerics groups, NTNU and UiB; Hornsjø, Lillehammer. 2009-03-02 - 2009-03-06.
2008
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Vitenskapelig foredragOwren, Brynjulf. (2008) Energy conserving integrators. International Conference of Numerical Analysis and Applied Mathematics 2008 . Th Simos; Kos. 2008-09-16 - 2008-09-20.
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Vitenskapelig foredragOwren, Brynjulf. (2008) Energy preserving methods for Hamiltonian problems. Numerical Modelling of Complex Dynamical Systems . Lorentz center; Leiden. 2008-05-06 - 2008-05-09.
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Vitenskapelig foredragOwren, Brynjulf. (2008) Energy preserving methods for Hamiltonian problems. Instituttseminar ved Institutt for matematikk, Universitetet i Basel . David Cohen; Basel. 2008-03-28 - 2008-03-28.
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Vitenskapelig foredragOwren, Brynjulf. (2008) Exponential integrators for second order systems. Instituttseminar ved Institutt for matematikk, Universitetet i Geneve . Ernst Hairer; Geneve. 2008-11-16 - 2008-11-16.
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Vitenskapelig foredragOwren, Brynjulf. (2008) Geometric Integration of Differential Equations on Manifolds. 13th International Congress on Computational and Applied Mathematics . Universtietet i Gent og Universitetet i Leuven; Gent. 2008-07-07 - 2008-07-11.
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Vitenskapelig foredragOwren, Brynjulf. (2008) Geometric integrators for the Camassa-Holm equation. Workshop ved Tsinghuauniversitetet, Beijing . Professor Bao; Beijing. 2008-06-18 - 2008-06-18.
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Vitenskapelig foredragOwren, Brynjulf. (2008) Lie Group Integrators -- an introduction. Workshop, Chinese Academy of Science . Jialin Hong; Beijing. 2008-06-12 - 2008-06-12.
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Vitenskapelig foredragOwren, Brynjulf. (2008) Numerics, Renormalization, and Noncommutative Geometry -- it's an ART. Seminar ved Institutt for Matematikk, Massey University . Robert McLachlan; Palmerston North. 2008-01-29 - 2008-01-29.
2007
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Vitenskapelig foredragOwren, Brynjulf. (2007) Preserving first integrals in LS-series integrators. International Conference on SCIentific Computation And Differential Equations . INRIA; St Malo. 2007-07-09 - 2007-07-13.
2005
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Vitenskapelig foredragOwren, Brynjulf. (2005) Geometric Integrators for the Nonlinear Schr¨odinger Equation. Foundations of Computational Mathematics . Foundations of Computational Mathematics; Santander. 2005-06-30 - 2005-07-09.
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Vitenskapelig foredragOwren, Brynjulf. (2005) Geometric Integrators for the Nonlinear Schr¨odinger Equation. International Conference on Scientific Computation and Differential Equations . Nagoya University; Nagoya. 2005-05-23 - 2005-05-27.
2003
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Vitenskapelig foredragOwren, Brynjulf. (2003) Algebraic structures on ordered rooted trees and their significance to Lie group integrators. International Conference on SCIentific Computation And Differential Equations . NTNU; Trondheim. 2003-06-30 - 2003-07-04.
2002
-
Vitenskapelig foredragOwren, Brynjulf. (2002) Lie group methods and their expansions. CSC02 -- Conference on Scientific Computation . [Mangler data]; Geneve, Switzerland. 2002-06-29.
2001
-
Vitenskapelig foredragOwren, Brynjulf. (2001) Commutator free Lie group methods. International Workshop on Structure-Preserving Algorithms . [Mangler data]; Beijing, Kina, 25-31 mars.
-
Vitenskapelig foredragOwren, Brynjulf. (2001) Lie group integrators. Geometry Symmetry and Mechanics I . [Mangler data]; Lisbon, 11- 16 July 2001.
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Vitenskapelig foredragOwren, Brynjulf. (2001) Numerical integration methods using Lie group actions. Australasian Research Symposium on Lie Groups, Algebraic Groups, Quantum Groups, and Their Representations (LAQ'2001) . [Mangler data]; Auckland, New Zealand. 2001-12-07.
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Vitenskapelig foredragOwren, Brynjulf. (2001) Tree expansions of Lie group methods. International Conference on Scientific Computation and Differential Equations . University of British Columbia (PIMS); Vancouver. 2001-07-29 - 2001-08-02.
2000
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Vitenskapelig foredragOwren, Brynjulf. (2000) A Lie algebraic approach to analysing the error in splitting methods. LMS Durham Symposium, Geometric Integration. . [Mangler data]; Durham, England, 13-23 juli, 2000..
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Vitenskapelig foredragOwren, Brynjulf. (2000) Lie Group Integrators. Research Symposium on Geometric Integration . [Mangler data]; La Trobe University, Melbourne, 10-16 desember..
1999
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Vitenskapelig foredragOwren, Brynjulf. (1999) Are Lie Group Methods Affordable?. FoCM'99 . [Mangler data]; Oxford, England, 18-28 juli, 1999..
1997
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Populærvitenskapelig foredragMarthinsen, Arne; Owren, Brynjulf. (1997) Integration of dynamical systems on manifolds. 4th U.S. National Congress on Computational Mechanics . [Mangler data]; San Francisco.
1992
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Vitenskapelig foredragOwren, Brynjulf; Zennaro, Marino. (1992) Continuous explicit Runge-Kutta methods. Computational Ordinary Differential Equations . [Mangler data]; London, July 1989.