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  1. Ansatte

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English

Jørgen Endal Letnes

Last ned pressefoto
Last ned pressefoto
Foto: Kai T. Dragland / NTNU

Jørgen Endal Letnes

Førsteamanuensis
Institutt for matematiske fag

jorgen.endal@ntnu.no
73412869 Sentralbygg 2, 1152, Gløshaugen, Alfred Getz vei 1
Google Scholar Jørgen Endal's homepage
Om Publikasjoner Undervisning Formidling

Om

Hovedsakelig interessert i ikke-lineære ikke-lokale partielle differensialligninger.

Kompetanseord

  • Fraksjonelle og ikke lokale differensiallikninger
  • Numerisk analyse
  • Partielle differensialligninger

Publikasjoner

  • Kronologisk
  • Etter kategori
  • Alle publikasjoner i Nasjonalt vitenarkiv (NVA)

2025

  • Benko, Matej; Chlebicka, Iwona; Letnes, Jørgen Endal; Miasojedow, Błażej. (2025) Langevin Monte Carlo Beyond Lipschitz Gradient Continuity.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Alibaud, Nathaël; Endal, Jørgen; Jakobsen, Espen R.; Mæhlen, Ola. (2025) Nonlocal degenerate parabolic-hyperbolic equations on bounded domains. Annales de l'Institut Henri Poincare. Analyse non linéar
    Vitenskapelig artikkel

2024

  • Letnes, Jørgen Endal; Ignat, Liviu I.; Quirós, Fernando. (2024) HEAT EQUATIONS WITH FAST CONVECTION: SOURCE-TYPE SOLUTIONS AND LARGE-TIME BEHAVIOUR. Discrete and Continuous Dynamical Systems. Series S
    Vitenskapelig artikkel
  • Alibaud, Nathaël; Letnes, Jørgen Endal; Jakobsen, Espen Robstad. (2024) Optimal stability results and nonlinear duality for L∞ entropy and L1 viscosity solutions. Journal des Mathématiques Pures et Appliquées
    Vitenskapelig artikkel

2023

  • Endal, Jørgen; Ignat, Liviu I.; Quirós, Fernando. (2023) Large-time behaviour for anisotropic stable nonlocal diffusion problems with convection. Journal des Mathématiques Pures et Appliquées
    Vitenskapelig artikkel
  • Teso, Félix del; Endal, Jørgen; Jakobsen, Espen Robstad; Vázquez, Juan Luis. (2023) Evolution driven by the infinity fractional Laplacian. Calculus of Variations and Partial Differential Equations
    Vitenskapelig artikkel
  • Bonforte, Matteo; Endal, Jørgen. (2023) Nonlocal nonlinear diffusion equations. Smoothing effects, Green functions, and functional inequalities. Journal of Functional Analysis
    Vitenskapelig artikkel

2022

  • Teso, Félix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2022) Uniform tail estimates and Lp(RN)-convergence for finite-difference approximations of nonlinear diffusion equations. Discrete and Continuous Dynamical Systems. Series A
    Vitenskapelig artikkel

2021

  • Teso, Félix del; Endal, Jørgen; Lewicka, Marta. (2021) On asymptotic expansions for the fractional infinity Laplacian. Asymptotic Analysis
    Vitenskapelig artikkel

2020

  • Teso, Félix del; Endal, Jørgen; Vázquez, Juan Luis. (2020) The one-phase fractional Stefan problem. Mathematical Models and Methods in Applied Sciences
    Vitenskapelig artikkel
  • Alibaud, Nathael; Teso, Félix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2020) The Liouville theorem and linear operators satisfying the maximum principle. Journal des Mathématiques Pures et Appliquées
    Vitenskapelig artikkel
  • Teso, Félix del; Endal, Jørgen; Vázquez, Juan Luis. (2020) On the two-phase fractional Stefan problem. Advanced Nonlinear Studies
    Vitenskapelig artikkel

2019

  • Teso, Felix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2019) Robust numerical methods for nonlocal (and local) equations of porous medium type. Part I: Theory. SIAM Journal on Numerical Analysis
    Vitenskapelig artikkel

2018

  • Teso, Felix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2018) On the well-posedness of solutions with finite energy for nonlocal equations of porous medium type.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Teso, Felix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2018) Robust numerical methods for nonlocal (and local) equations of porous medium type. Part II: Schemes and experiments. SIAM Journal on Numerical Analysis
    Vitenskapelig artikkel

2017

  • Teso, Félix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2017) Uniqueness and properties of distributional solutions of nonlocal equations of porous medium type. Advances in Mathematics
    Vitenskapelig artikkel
  • Mendez, Felix del Teso; Endal, Jørgen; Jakobsen, Espen Robstad. (2017) Sur des solutions distributionnelles de problemes locaux et non locaux de type milieux poreux. Comptes rendus. Mathematique
    Vitenskapelig artikkel

2014

  • Endal, Jørgen; Jakobsen, Espen Robstad. (2014) L1 contraction for bounded (nonintegrable) solutions of degenerate parabolic equations. SIAM Journal on Mathematical Analysis
    Vitenskapelig artikkel

Tidsskriftspublikasjoner

  • Alibaud, Nathaël; Endal, Jørgen; Jakobsen, Espen R.; Mæhlen, Ola. (2025) Nonlocal degenerate parabolic-hyperbolic equations on bounded domains. Annales de l'Institut Henri Poincare. Analyse non linéar
    Vitenskapelig artikkel
  • Letnes, Jørgen Endal; Ignat, Liviu I.; Quirós, Fernando. (2024) HEAT EQUATIONS WITH FAST CONVECTION: SOURCE-TYPE SOLUTIONS AND LARGE-TIME BEHAVIOUR. Discrete and Continuous Dynamical Systems. Series S
    Vitenskapelig artikkel
  • Alibaud, Nathaël; Letnes, Jørgen Endal; Jakobsen, Espen Robstad. (2024) Optimal stability results and nonlinear duality for L∞ entropy and L1 viscosity solutions. Journal des Mathématiques Pures et Appliquées
    Vitenskapelig artikkel
  • Endal, Jørgen; Ignat, Liviu I.; Quirós, Fernando. (2023) Large-time behaviour for anisotropic stable nonlocal diffusion problems with convection. Journal des Mathématiques Pures et Appliquées
    Vitenskapelig artikkel
  • Teso, Félix del; Endal, Jørgen; Jakobsen, Espen Robstad; Vázquez, Juan Luis. (2023) Evolution driven by the infinity fractional Laplacian. Calculus of Variations and Partial Differential Equations
    Vitenskapelig artikkel
  • Bonforte, Matteo; Endal, Jørgen. (2023) Nonlocal nonlinear diffusion equations. Smoothing effects, Green functions, and functional inequalities. Journal of Functional Analysis
    Vitenskapelig artikkel
  • Teso, Félix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2022) Uniform tail estimates and Lp(RN)-convergence for finite-difference approximations of nonlinear diffusion equations. Discrete and Continuous Dynamical Systems. Series A
    Vitenskapelig artikkel
  • Teso, Félix del; Endal, Jørgen; Lewicka, Marta. (2021) On asymptotic expansions for the fractional infinity Laplacian. Asymptotic Analysis
    Vitenskapelig artikkel
  • Teso, Félix del; Endal, Jørgen; Vázquez, Juan Luis. (2020) The one-phase fractional Stefan problem. Mathematical Models and Methods in Applied Sciences
    Vitenskapelig artikkel
  • Alibaud, Nathael; Teso, Félix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2020) The Liouville theorem and linear operators satisfying the maximum principle. Journal des Mathématiques Pures et Appliquées
    Vitenskapelig artikkel
  • Teso, Félix del; Endal, Jørgen; Vázquez, Juan Luis. (2020) On the two-phase fractional Stefan problem. Advanced Nonlinear Studies
    Vitenskapelig artikkel
  • Teso, Felix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2019) Robust numerical methods for nonlocal (and local) equations of porous medium type. Part I: Theory. SIAM Journal on Numerical Analysis
    Vitenskapelig artikkel
  • Teso, Felix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2018) Robust numerical methods for nonlocal (and local) equations of porous medium type. Part II: Schemes and experiments. SIAM Journal on Numerical Analysis
    Vitenskapelig artikkel
  • Teso, Félix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2017) Uniqueness and properties of distributional solutions of nonlocal equations of porous medium type. Advances in Mathematics
    Vitenskapelig artikkel
  • Mendez, Felix del Teso; Endal, Jørgen; Jakobsen, Espen Robstad. (2017) Sur des solutions distributionnelles de problemes locaux et non locaux de type milieux poreux. Comptes rendus. Mathematique
    Vitenskapelig artikkel
  • Endal, Jørgen; Jakobsen, Espen Robstad. (2014) L1 contraction for bounded (nonintegrable) solutions of degenerate parabolic equations. SIAM Journal on Mathematical Analysis
    Vitenskapelig artikkel

Del av bok/rapport

  • Benko, Matej; Chlebicka, Iwona; Letnes, Jørgen Endal; Miasojedow, Błażej. (2025) Langevin Monte Carlo Beyond Lipschitz Gradient Continuity.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Teso, Felix del; Endal, Jørgen; Jakobsen, Espen Robstad. (2018) On the well-posedness of solutions with finite energy for nonlocal equations of porous medium type.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

Undervisning

Emner

  • TMA4400 - Matematikk 1: Kalkulus og lineær algebra
  • MA1103 - Flervariabel analyse og vektoranalyse
  • TMA4165 - Dynamiske systemer

Formidling

2023

  • Vitenskapelig foredrag
    Endal, Jørgen. (2023) Nonlocal nonlinear diffusion equations. Smoothing effects, Green functions, and functional inequalities, Workshop on PDEs. Workshop on PDEs , Bucuresti 2023-06-26 - 2023-06-27

2022

  • Vitenskapelig foredrag
    Endal, Jørgen. (2022) Nonlocal nonlinear diffusion equations. Smoothing effects, Green functions, and functional inequalities. 2nd Norwegian meeting on PDEs 2022-06-08 - 2022-06-10
  • Faglig foredrag
    Endal, Jørgen. (2022) Ildkula etter en kjernefysisk eksplosjon. Onsdagsseminar 2022-11-23 -

2020

  • Vitenskapelig foredrag
    Endal, Jørgen. (2020) Connections between L1-solutions of Hamilton-Jacobi-Bellman equations and L∞-solutions of convection-diffusion equations. V Congreso de Jovénes Ivestigadores Castelló 2020 (JOVENESRSME 2019) 2020-01-27 - 2020-01-31
  • Vitenskapelig foredrag
    Endal, Jørgen. (2020) The one-phase fractional Stefan problem. 2nd IMI one-day workshop on PDEs 2020-02-24 -

2019

  • Vitenskapelig foredrag
    Endal, Jørgen. (2019) Nonlocal (and local) nonlinear diffusion equations. Background, analysis, and numerical approximation. Scientific Seminar 2019-02-12 -
  • Vitenskapelig foredrag
    Endal, Jørgen. (2019) Connections between L1-solutions of Hamilton-Jacobi-Bellman equations and L∞-solutions of convection-diffusion equations. Nonlinear Diffusion Seminar 2019-05-24 -
  • Vitenskapelig foredrag
    Endal, Jørgen. (2019) Nonlocal (and local) nonlinear diffusion equations. Background, analysis, and numerical approximation. The Mathematics of Finite Elements and Applications 2019 (MAFELAP 2019) 2019-06-18 - 2019-06-21
  • Vitenskapelig foredrag
    Endal, Jørgen. (2019) Connections between L1-solutions of Hamilton-Jacobi-Bellman equations and L∞-solutions of convection-diffusion equations. Norwegian meeting on PDEs 2019-06-05 - 2019-06-07

2018

  • Vitenskapelig foredrag
    Endal, Jørgen. (2018) On nonlocal (and local) equations of porous medium type. Nonlocal Interactions in Partial Differential Equations and Geometry , Institut Mittag-Leffler 2018-05-21 - 2018-05-25
  • Vitenskapelig foredrag
    Endal, Jørgen. (2018) Numerical solutions of nonlocal (and local) equations of porous medium type. NTNU Workshop on PDEs , Trondheim 2018-11-21 - 2018-11-23

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