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  1. Ansatte

Språkvelger

English

Kristian Seip

Last ned pressefoto
Last ned pressefoto
Foto:

Kristian Seip

Professor
Institutt for matematiske fag

kristian.seip@ntnu.no
73593516 91129136 Sentralbygg 2, 956, Gløshaugen, Alfred Getz vei 1
Om Publikasjoner Undervisning Formidling

Om

Kristian Seip (1962) har vært  professor ved Institutt for matematiske fag siden 1993. Han har vært instituttleder (1997 – 2001) og prodekan  for utdanning ved Fakultet for informasjonsteknologi, matematikk og elektroteknikk (2006 – 2012). Han er medlem i analysegruppen. Seip er utdannet sivilingeniør og har en doktorgrad fra NTNU. Hans forskningsområder er analyse og analytisk tallteori.

Se engelsk side for mer informasjon.

 

 

Publikasjoner

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

2026

  • Bampouras, Konstantinos; Perfekt, Karl-Mikael; Seip, Kristian. (2026) Hankel Operators on Hardy and Paley-Wiener spaces and the accumulated Möbius distortion. Norges teknisk-naturvitenskapelige universitet
    Doktoravhandling
  • Bondarenko, Andrii; Ortega-Cerdà, Joaquim; Radchenko, Danylo; Seip, Kristian. (2026) The Hörmander--Bernhardsson Extremal Function: A Preliminary Study.
    Vitenskapelig kapittel
  • Brevig, Ole Fredrik; Llinares, Adrián; Seip, Kristian. (2026) Critical Exponents of the Riesz Projection. Computational methods in Function Theory
    Vitenskapelig artikkel

2024

  • Brevig, Ole Fredrik; Chirre, Andrés; Ortega-Cerdà, Joaquim; Seip, Kristian. (2024) Point evaluation in Paley–Wiener spaces. Journal d'Analyse Mathematique
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Seip, Kristian. (2024) The norm of the backward shift on H1 is 2/sqrt(3). Pure and Applied Functional Analysis
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Seip, Kristian. (2024) Maximal norm Hankel operators. Journal of Mathematical Analysis and Applications
    Vitenskapelig artikkel

2023

  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian. (2023) Hilbert points in Hardy spaces. St. Petersburg Mathematical Journal
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Darbar, Pranendu; Hagen, Markus Valås; Heap, Paul Winston; Seip, Kristian. (2023) A dichotomy for extreme values of zeta and Dirichlet L-functions. Bulletin of the London Mathematical Society
    Vitenskapelig artikkel

2022

  • Bondarenko, Andrii; Radchenko, Danylo; Seip, Kristian. (2022) Fourier Interpolation with Zeros of Zeta and L-Functions. Constructive approximation
    Vitenskapelig artikkel
  • Konyagin, Sergei; Queffelec, Herve; Saksman, Eero; Seip, Kristian. (2022) Riesz projection and bounded mean oscillation for Dirichlet series. Studia Mathematica
    Vitenskapelig artikkel

2021

  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian. (2021) Idempotent Fourier multipliers acting contractively on H^p spaces. Geometric and Functional Analysis
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian. (2021) A converse to the Schwarz lemma for planar harmonic maps. Journal of Mathematical Analysis and Applications
    Vitenskapelig artikkel

2020

  • Saias, Eric; Seip, Kristian. (2020) A footnote to a theorem Halász. Functiones et Approximatio Commentarii Mathematici
    Vitenskapelig artikkel
  • Seip, Kristian. (2020) Universality and distribution of zeros and poles of some zeta functions. Journal d'Analyse Mathematique
    Vitenskapelig artikkel

2019

  • Brevig, Ole Fredrik; Perfekt, Karl-Mikael; Seip, Kristian. (2019) Volterra operators on Hardy spaces of Dirichlet series. Journal für die Reine und Angewandte Mathematik
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Brevig, Ole Fredrik; Saksman, Eero; Seip, Kristian. (2019) Linear space properties of H^p spaces of Dirichlet series. Transactions of the American Mathematical Society
    Vitenskapelig artikkel

2018

  • Gesztesy, Fritz; Hanche-Olsen, Harald; Jakobsen, Espen Robstad; Lyubarskii, Yurii; Risebro, Nils Henrik; Seip, Kristian. (2018) Non-linear Partial Differential Equations, Mathematical Physics, and Stochastic Analysis: The Helge Holden Anniversary Volume. European Mathematical Society (EMS) Press
    Antologi
  • Bondarenko, Andrii; Brevig, Ole Fredrik; Saksman, Eero; Seip, Kristian; Zhao, Jing. (2018) Pseudomoments of the Riemann zeta function. Bulletin of the London Mathematical Society
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian; Zhao, Jing. (2018) Contractive inequalities for Hardy spaces. Functiones et Approximatio Commentarii Mathematici
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Seip, Kristian. (2018) Note on the resonance method for the Riemann zeta function. Operator Theory: Advances and Applications
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Seip, Kristian. (2018) Extreme values of the Riemann zeta function and its argument. Mathematische Annalen
    Vitenskapelig artikkel

2017

  • Bondarenko, Andrii; Seip, Kristian. (2017) Large greatest common divisor sums and extreme values of the Riemann zeta function. Duke mathematical journal
    Vitenskapelig artikkel

2016

  • Bondarenko, Andrii; Hilberdink, Titus; Seip, Kristian. (2016) Gal-type GCD sums beyond the critical line. Journal of Number Theory
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Seip, Kristian. (2016) Helson's problem for sums of a random multiplicative function. Mathematika
    Vitenskapelig artikkel
  • Bayart, Frederic; Queffelec, Herve; Seip, Kristian. (2016) Approximation numbers of composition operators on H^p spaces of Dirichlet series. Annales de l'Institut Fourier
    Vitenskapelig artikkel
  • Saksman, Eero; Seip, Kristian. (2016) Some open questions in analysis for Dirichlet series.
    Vitenskapelig kapittel
  • Brevig, Ole Fredrik; Perfekt, Karl-Mikael; Seip, Kristian; Siskakis, Aristomenis; Vukotic, Dragan. (2016) The multiplicative Hilbert matrix. Advances in Mathematics
    Vitenskapelig artikkel

2015

  • Aistleitner, Christoph; Berkes, Istvan; Seip, Kristian; Weber, Michel. (2015) Convergence of series of dilated functions and spectral norms of GCD matrices. Acta Arithmetica
    Vitenskapelig artikkel
  • Queffelec, Herve; Seip, Kristian. (2015) Approximation numbers of composition operators on the H^2 space of Dirichlet series. Journal of Functional Analysis
    Vitenskapelig artikkel
  • Aistleitner, Christoph; Berkes, Istvan; Seip, Kristian. (2015) GCD sums from Poisson integrals and systems of dilated functions. Journal of the European Mathematical Society (Print)
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Seip, Kristian. (2015) GCD sums and complete sets of square-free numbers. Bulletin of the London Mathematical Society
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Heap, Winston Paul; Seip, Kristian. (2015) An inequality of Hardy-Littlewood type for Dirichlet polynomials. Journal of Number Theory
    Vitenskapelig artikkel
  • Queffelec, Herve; Seip, Kristian. (2015) Decay rates for approximation numbers of composition operators. Journal d'Analyse Mathematique
    Vitenskapelig artikkel

2014

  • Bondarenko, Andrii; Seip, Kristian. (2014) GCD sums and complete sets of square-free numbers. Bulletin of the London Mathematical Society
    Vitenskapelig artikkel

2013

  • Seip, Kristian; Youssfi, El Hassan. (2013) Hankel Operators on Fock Spaces and Related Bergman Kernel Estimates. Journal of Geometric Analysis
    Vitenskapelig artikkel
  • Seip, Kristian. (2013) Interpolation and sampling in small Bergman spaces. Collectanea Mathematica
    Vitenskapelig artikkel
  • Seip, Kristian. (2013) Zeros of functions in Hilbert spaces of Dirichlet series. Mathematische Zeitschrift
    Vitenskapelig artikkel

2012

  • Ortega-Cerdà, Joaquim; Seip, Kristian. (2012) A lower bound in Nehari's theorem on the polydisc. Journal d'Analyse Mathematique
    Vitenskapelig artikkel
  • El-Fallah, Omar; Kellay, Karim; Seip, Kristian. (2012) Cyclicity of singular inner functions from the corona theorem. Journal of the Institute of Mathematics of Jussieu
    Vitenskapelig artikkel

2011

  • Marzo, Sanchez Jorge; Seip, Kristian. (2011) L-infinity to L-p constants for Riesz projections. Bulletin des Sciences Mathématiques
    Vitenskapelig artikkel
  • Defant, Andreas; Frerick, Leonhard; Ortega-Cerdà, Joaquim; Ounaies, Myriam; Seip, Kristian. (2011) The Bohnenblust-Hille inequality for homogeneous polynomials is hypercontractive. Annals of Mathematics
    Vitenskapelig artikkel
  • Seip, Kristian; Belov, Yurii; Mengestie, Tesfa Yigrem. (2011) Discrete Hilbert transforms on sparse sequences. Proceedings of the London Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian; Marzo, Sanchez Jorge. (2011) L^\infty to L^p constants for Riesz projections. Bulletin des Sciences Mathématiques
    Vitenskapelig artikkel

2010

  • Seip, Kristian; Mashreghi, Javad; Ransford, Thomas. (2010) Hilbert spaces of analytic functions. American Mathematical Society (AMS)
    Antologi
  • Belov, Yury; Mengestie, Tesfa Yigrem; Seip, Kristian. (2010) Unitary discrete Hilbert transforms. Journal d'Analyse Mathematique
    Vitenskapelig artikkel

2009

  • Seip, Kristian. (2009) Interpolation by Dirichlet Series in H^infty.
    Vitenskapelig kapittel
  • Lind-Johansen, Øyvind; Seip, Kristian; Skaar, Johannes. (2009) The perfect lens on a finite bandwidth. Journal of Mathematical Physics
    Vitenskapelig artikkel
  • Marzo, Jordi; Seip, Kristian. (2009) THE KADETS 1/4 THEOREM FOR POLYNOMIALS. Mathematica Scandinavica
    Vitenskapelig artikkel
  • Ascensi, Gerard; Lyubarskii, Yurii; Seip, Kristian. (2009) Phase space distribution of Gabor expansions. Applied and Computational Harmonic Analysis
    Vitenskapelig artikkel
  • Saksman, Eero; Seip, Kristian. (2009) Integral means and boundary limits of Dirichlet series. Bulletin of the London Mathematical Society
    Vitenskapelig artikkel

2008

  • Olsen, Jan-Fredrik; Seip, Kristian. (2008) Local interpolation in Hilbert spaces of Dirichlet series. Proceedings of the American Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian; Groechenig, Karlheinz; Kutyniok, Gitta. (2008) Landau's necessary density conditions for LCA groups. Journal of Functional Analysis
    Vitenskapelig artikkel

2006

  • Hjelle, Geir Arne; Seip, Kristian. (2006) Approximations by interpolating Blaschke products. NTNU, Tapir Uttrykk
    Doktoravhandling
  • Skaar, Johannes; Seip, Kristian. (2006) Bounds for the refractive indices of metamaterials. Journal of Physics D: Applied Physics
    Vitenskapelig artikkel

2005

  • Seip, Kristian; Skaar, Johannes. (2005) An extremal problem related to negative refraction. Skrifter
    Vitenskapelig artikkel

2004

  • Nicolau, A; Ortega-Cerda, J; Seip, Kristian. (2004) The constant of interpolation. Pacific Journal of Mathematics
    Vitenskapelig artikkel
  • Ortega-Cerda, J; Seip, Kristian. (2004) Harmonic measure and uniform densities. Indiana University Mathematics Journal
    Vitenskapelig artikkel
  • Seip, Kristian. (2004) Interpolation and sampling in spaces of analytic functions. American Mathematical Society (AMS)
    Vitenskapelig monografi
  • Seip, Kristian. (2004) Surjective Toeplitz operators. Acta Scientarum Mathematicarum
    Vitenskapelig artikkel

2003

  • Seip, Kristian; Chicon, Kinga. (2003) Weighted holomorphic spaces with trivial closed range multiplication operators. Proceedings of the American Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian. (2003) Extremal functions as divisors for kernels of Toeplitz operators. Journal of Functional Analysis
    Vitenskapelig artikkel

2002

  • Seip, Kristian; Lyubarskii, Yurii. (2002) Weighted Paley-Wiener spaces. Journal of The American Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian; Ortega-Cerda, Joaquim. (2002) Fourier frames. Annals of Mathematics
    Vitenskapelig artikkel

2001

  • Lyubarskii, Yurii; Seip, Kristian. (2001) A splitting problem for unconditional bases of complex exponentials. [Mangler utgivernavn]
    Forskningsrapport

2000

  • Duren, Peter L.; Schuster, Alexander P.; Seip, Kristian. (2000) Uniform densities of regular sequences in the unit disk. Transactions of the American Mathematical Society
    Vitenskapelig artikkel
  • Schuster, Alexander P.; Seip, Kristian. (2000) Weak conditions for interpolation in holomorphic spaces. Publicacions matemàtiques
    Vitenskapelig artikkel
  • Seip, Kristian. (2000) On Gröchenig, Heil, and Walnut's proof of the local three squares theorem. Arkiv för matematik
    Vitenskapelig artikkel

1999

  • Ortega-Cerda, Joaquim; Seip, Kristian. (1999) Multipliers for entire functions and an interpolation problem of Beurling. Journal of Functional Analysis
    Vitenskapelig artikkel
  • Flornes, Kristin; Lyubarskii, Yurii; Seip, Kristian. (1999) A direct interpolation method for irregular sampling. Applied and Computational Harmonic Analysis
    Vitenskapelig artikkel
  • Lyubarskii, Yurii; Seip, Kristian. (1999) Convergence and summability of Gabor expansions at the Nyquist density. Journal of Fourier Analysis and Applications
    Vitenskapelig artikkel
  • Hedenmalm, Håkan; Lindquist, Peter; Seip, Kristian. (1999) Addendum to "a Hilbert space of dirichlet series and systems of dilated functions in L%2(0,1)".
    Vitenskapelig kapittel

1998

  • Lindqvist, Peter; Seip, Kristian. (1998) Note on some greatest common divisor matrices. Acta Arithmetica
    Vitenskapelig artikkel
  • Ortega-Cerdà, Joaquim; Seip, Kristian. (1998) Beurling-type density theorems for weighted LP spaces of entire functions. Journal d'Analyse Mathematique
    Vitenskapelig artikkel
  • Seip, Kristian; Ortega-Cerdà, Joaquim. (1998) Beurling-type density theorems for weighted L^P spaces of entire function. Journal d'Analyse Mathematique
    Vitenskapelig artikkel

1997

  • Hedenmalm, Håkan; Lindqvist, Peter; Seip, Kristian. (1997) A Hilbert space of Dirichlet series and systems of dilated functions in L%2(0,1). Duke mathematical journal
    Vitenskapelig artikkel
  • Lyubarskii, Yurii; Seip, Kristian. (1997) Sampling and interpolating sequences for multiband-limited functions and exponential bases on disconnected sets. Journal of Fourier Analysis and Applications
    Vitenskapelig artikkel
  • Seip, Kristian; Ulanovskii, Aleksander. (1997) Beurling-Malliavin density of random sequences. Proceedings of the American Mathematical Society
    Vitenskapelig artikkel
  • Lyubarskii, Yurii; Seip, Kristian. (1997) Complete interpolating sequences for Paley-Wiener spaces and Muckenhoupt's (Ap) condition. Revista matemática iberoamericana
    Vitenskapelig artikkel
  • Seip, Kristian; Ulanovskii, Aleksander. (1997) Beurling-Malliavin density of random sequences. Proceedings of the American Mathematical Society
    Vitenskapelig artikkel

1996

  • Seip, Kristian; Ulanovskii, Aleksander. (1996) Random exponential frames. Journal of the London Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian; Ulanovskii, Aleksander. (1996) Random exponential frames. Journal of the London Mathematical Society
    Vitenskapelig artikkel

1995

  • Seip, Kristian. (1995) An extension of the Blaschke condition. Journal of the London Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian. (1995) A simple construction of exponential bases in L2 of the union of several intervals. Proceedings of the Edinburgh Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian. (1995) On the connection between exponential bases and certain related sequences in L2(-_p,_p). Journal of Functional Analysis
    Vitenskapelig artikkel
  • Seip, Kristian; Ulanovskii, Aleksander; ukjent-for-m018958, ukjent-for-m018958. (1995) A best covering problem. ?
    Vitenskapelig artikkel
  • Seip, Kristian; Ulanovskii, Aleksander. (1995) A best covering problem. Mathematica Scandinavica
    Vitenskapelig artikkel

1994

  • Seip, Kristian. (1994) On a theorem of Korenblum. Arkiv för matematik
    Vitenskapelig artikkel

1992

  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space I. Journal für die Reine und Angewandte Mathematik
    Vitenskapelig artikkel
  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space II. Journal für die Reine und Angewandte Mathematik
    Vitenskapelig artikkel
  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space. Bulletin of the American Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian. (1992) Addendum to "Curves of maximum modulus in coherent state representations". Annales Henri Poincaré - A Journal of Theoretical and Mathematical Physics
    Vitenskapelig artikkel

1991

  • Owren, Brynjulf; Seip, Kristian. (1991) A uniqueness result related to the stability of explicit Runge-Kutta methods. BIT Numerical Mathematics
    Vitenskapelig artikkel

1990

  • Owren, Brynjulf; Seip, Kristian. (1990) Some stability results for explicit Runge-Kutta methods. BIT Numerical Mathematics
    Vitenskapelig artikkel

Tidsskriftspublikasjoner

  • Seip, Kristian; Lyubarskii, Yurii. (2002) Weighted Paley-Wiener spaces. Journal of The American Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian; Chicon, Kinga. (2003) Weighted holomorphic spaces with trivial closed range multiplication operators. Proceedings of the American Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian; Ortega-Cerda, Joaquim. (2002) Fourier frames. Annals of Mathematics
    Vitenskapelig artikkel
  • Aistleitner, Christoph; Berkes, Istvan; Seip, Kristian; Weber, Michel. (2015) Convergence of series of dilated functions and spectral norms of GCD matrices. Acta Arithmetica
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Perfekt, Karl-Mikael; Seip, Kristian. (2019) Volterra operators on Hardy spaces of Dirichlet series. Journal für die Reine und Angewandte Mathematik
    Vitenskapelig artikkel
  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space I. Journal für die Reine und Angewandte Mathematik
    Vitenskapelig artikkel
  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space II. Journal für die Reine und Angewandte Mathematik
    Vitenskapelig artikkel
  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space. Bulletin of the American Mathematical Society
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Hilberdink, Titus; Seip, Kristian. (2016) Gal-type GCD sums beyond the critical line. Journal of Number Theory
    Vitenskapelig artikkel
  • Nicolau, A; Ortega-Cerda, J; Seip, Kristian. (2004) The constant of interpolation. Pacific Journal of Mathematics
    Vitenskapelig artikkel
  • Hedenmalm, Håkan; Lindqvist, Peter; Seip, Kristian. (1997) A Hilbert space of Dirichlet series and systems of dilated functions in L%2(0,1). Duke mathematical journal
    Vitenskapelig artikkel
  • Lyubarskii, Yurii; Seip, Kristian. (1997) Sampling and interpolating sequences for multiband-limited functions and exponential bases on disconnected sets. Journal of Fourier Analysis and Applications
    Vitenskapelig artikkel
  • Seip, Kristian; Youssfi, El Hassan. (2013) Hankel Operators on Fock Spaces and Related Bergman Kernel Estimates. Journal of Geometric Analysis
    Vitenskapelig artikkel
  • Seip, Kristian. (2013) Interpolation and sampling in small Bergman spaces. Collectanea Mathematica
    Vitenskapelig artikkel
  • Ortega-Cerda, J; Seip, Kristian. (2004) Harmonic measure and uniform densities. Indiana University Mathematics Journal
    Vitenskapelig artikkel
  • Seip, Kristian. (1995) An extension of the Blaschke condition. Journal of the London Mathematical Society
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian. (2023) Hilbert points in Hardy spaces. St. Petersburg Mathematical Journal
    Vitenskapelig artikkel
  • Seip, Kristian. (1995) A simple construction of exponential bases in L2 of the union of several intervals. Proceedings of the Edinburgh Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian. (1995) On the connection between exponential bases and certain related sequences in L2(-_p,_p). Journal of Functional Analysis
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Chirre, Andrés; Ortega-Cerdà, Joaquim; Seip, Kristian. (2024) Point evaluation in Paley–Wiener spaces. Journal d'Analyse Mathematique
    Vitenskapelig artikkel
  • Seip, Kristian; Ulanovskii, Aleksander. (1997) Beurling-Malliavin density of random sequences. Proceedings of the American Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian; Ulanovskii, Aleksander; ukjent-for-m018958, ukjent-for-m018958. (1995) A best covering problem. ?
    Vitenskapelig artikkel
  • Seip, Kristian; Ulanovskii, Aleksander. (1996) Random exponential frames. Journal of the London Mathematical Society
    Vitenskapelig artikkel
  • Queffelec, Herve; Seip, Kristian. (2015) Approximation numbers of composition operators on the H^2 space of Dirichlet series. Journal of Functional Analysis
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Brevig, Ole Fredrik; Saksman, Eero; Seip, Kristian; Zhao, Jing. (2018) Pseudomoments of the Riemann zeta function. Bulletin of the London Mathematical Society
    Vitenskapelig artikkel
  • Lind-Johansen, Øyvind; Seip, Kristian; Skaar, Johannes. (2009) The perfect lens on a finite bandwidth. Journal of Mathematical Physics
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Radchenko, Danylo; Seip, Kristian. (2022) Fourier Interpolation with Zeros of Zeta and L-Functions. Constructive approximation
    Vitenskapelig artikkel
  • Seip, Kristian. (2003) Extremal functions as divisors for kernels of Toeplitz operators. Journal of Functional Analysis
    Vitenskapelig artikkel
  • Olsen, Jan-Fredrik; Seip, Kristian. (2008) Local interpolation in Hilbert spaces of Dirichlet series. Proceedings of the American Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian; Groechenig, Karlheinz; Kutyniok, Gitta. (2008) Landau's necessary density conditions for LCA groups. Journal of Functional Analysis
    Vitenskapelig artikkel
  • Lyubarskii, Yurii; Seip, Kristian. (1997) Complete interpolating sequences for Paley-Wiener spaces and Muckenhoupt's (Ap) condition. Revista matemática iberoamericana
    Vitenskapelig artikkel
  • Lindqvist, Peter; Seip, Kristian. (1998) Note on some greatest common divisor matrices. Acta Arithmetica
    Vitenskapelig artikkel
  • Ortega-Cerdà, Joaquim; Seip, Kristian. (2012) A lower bound in Nehari's theorem on the polydisc. Journal d'Analyse Mathematique
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Seip, Kristian. (2016) Helson's problem for sums of a random multiplicative function. Mathematika
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Brevig, Ole Fredrik; Saksman, Eero; Seip, Kristian. (2019) Linear space properties of H^p spaces of Dirichlet series. Transactions of the American Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian. (1992) Addendum to "Curves of maximum modulus in coherent state representations". Annales Henri Poincaré - A Journal of Theoretical and Mathematical Physics
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Seip, Kristian. (2017) Large greatest common divisor sums and extreme values of the Riemann zeta function. Duke mathematical journal
    Vitenskapelig artikkel
  • Aistleitner, Christoph; Berkes, Istvan; Seip, Kristian. (2015) GCD sums from Poisson integrals and systems of dilated functions. Journal of the European Mathematical Society (Print)
    Vitenskapelig artikkel
  • Seip, Kristian. (1994) On a theorem of Korenblum. Arkiv för matematik
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Seip, Kristian. (2015) GCD sums and complete sets of square-free numbers. Bulletin of the London Mathematical Society
    Vitenskapelig artikkel
  • El-Fallah, Omar; Kellay, Karim; Seip, Kristian. (2012) Cyclicity of singular inner functions from the corona theorem. Journal of the Institute of Mathematics of Jussieu
    Vitenskapelig artikkel
  • Belov, Yury; Mengestie, Tesfa Yigrem; Seip, Kristian. (2010) Unitary discrete Hilbert transforms. Journal d'Analyse Mathematique
    Vitenskapelig artikkel
  • Duren, Peter L.; Schuster, Alexander P.; Seip, Kristian. (2000) Uniform densities of regular sequences in the unit disk. Transactions of the American Mathematical Society
    Vitenskapelig artikkel
  • Marzo, Jordi; Seip, Kristian. (2009) THE KADETS 1/4 THEOREM FOR POLYNOMIALS. Mathematica Scandinavica
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Seip, Kristian. (2024) The norm of the backward shift on H1 is 2/sqrt(3). Pure and Applied Functional Analysis
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian; Zhao, Jing. (2018) Contractive inequalities for Hardy spaces. Functiones et Approximatio Commentarii Mathematici
    Vitenskapelig artikkel
  • Marzo, Sanchez Jorge; Seip, Kristian. (2011) L-infinity to L-p constants for Riesz projections. Bulletin des Sciences Mathématiques
    Vitenskapelig artikkel
  • Skaar, Johannes; Seip, Kristian. (2006) Bounds for the refractive indices of metamaterials. Journal of Physics D: Applied Physics
    Vitenskapelig artikkel
  • Ascensi, Gerard; Lyubarskii, Yurii; Seip, Kristian. (2009) Phase space distribution of Gabor expansions. Applied and Computational Harmonic Analysis
    Vitenskapelig artikkel
  • Schuster, Alexander P.; Seip, Kristian. (2000) Weak conditions for interpolation in holomorphic spaces. Publicacions matemàtiques
    Vitenskapelig artikkel
  • Defant, Andreas; Frerick, Leonhard; Ortega-Cerdà, Joaquim; Ounaies, Myriam; Seip, Kristian. (2011) The Bohnenblust-Hille inequality for homogeneous polynomials is hypercontractive. Annals of Mathematics
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian. (2021) Idempotent Fourier multipliers acting contractively on H^p spaces. Geometric and Functional Analysis
    Vitenskapelig artikkel
  • Owren, Brynjulf; Seip, Kristian. (1991) A uniqueness result related to the stability of explicit Runge-Kutta methods. BIT Numerical Mathematics
    Vitenskapelig artikkel
  • Owren, Brynjulf; Seip, Kristian. (1990) Some stability results for explicit Runge-Kutta methods. BIT Numerical Mathematics
    Vitenskapelig artikkel
  • Ortega-Cerdà, Joaquim; Seip, Kristian. (1998) Beurling-type density theorems for weighted LP spaces of entire functions. Journal d'Analyse Mathematique
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Seip, Kristian. (2014) GCD sums and complete sets of square-free numbers. Bulletin of the London Mathematical Society
    Vitenskapelig artikkel
  • Saksman, Eero; Seip, Kristian. (2009) Integral means and boundary limits of Dirichlet series. Bulletin of the London Mathematical Society
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Seip, Kristian. (2024) Maximal norm Hankel operators. Journal of Mathematical Analysis and Applications
    Vitenskapelig artikkel
  • Seip, Kristian. (2013) Zeros of functions in Hilbert spaces of Dirichlet series. Mathematische Zeitschrift
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Llinares, Adrián; Seip, Kristian. (2026) Critical Exponents of the Riesz Projection. Computational methods in Function Theory
    Vitenskapelig artikkel
  • Bayart, Frederic; Queffelec, Herve; Seip, Kristian. (2016) Approximation numbers of composition operators on H^p spaces of Dirichlet series. Annales de l'Institut Fourier
    Vitenskapelig artikkel
  • Seip, Kristian; Ortega-Cerdà, Joaquim. (1998) Beurling-type density theorems for weighted L^P spaces of entire function. Journal d'Analyse Mathematique
    Vitenskapelig artikkel
  • Seip, Kristian. (2004) Surjective Toeplitz operators. Acta Scientarum Mathematicarum
    Vitenskapelig artikkel
  • Saias, Eric; Seip, Kristian. (2020) A footnote to a theorem Halász. Functiones et Approximatio Commentarii Mathematici
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian. (2021) A converse to the Schwarz lemma for planar harmonic maps. Journal of Mathematical Analysis and Applications
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Seip, Kristian. (2018) Note on the resonance method for the Riemann zeta function. Operator Theory: Advances and Applications
    Vitenskapelig artikkel
  • Ortega-Cerda, Joaquim; Seip, Kristian. (1999) Multipliers for entire functions and an interpolation problem of Beurling. Journal of Functional Analysis
    Vitenskapelig artikkel
  • Seip, Kristian; Skaar, Johannes. (2005) An extremal problem related to negative refraction. Skrifter
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Heap, Winston Paul; Seip, Kristian. (2015) An inequality of Hardy-Littlewood type for Dirichlet polynomials. Journal of Number Theory
    Vitenskapelig artikkel
  • Flornes, Kristin; Lyubarskii, Yurii; Seip, Kristian. (1999) A direct interpolation method for irregular sampling. Applied and Computational Harmonic Analysis
    Vitenskapelig artikkel
  • Seip, Kristian. (2000) On Gröchenig, Heil, and Walnut's proof of the local three squares theorem. Arkiv för matematik
    Vitenskapelig artikkel
  • Seip, Kristian; Belov, Yurii; Mengestie, Tesfa Yigrem. (2011) Discrete Hilbert transforms on sparse sequences. Proceedings of the London Mathematical Society
    Vitenskapelig artikkel
  • Lyubarskii, Yurii; Seip, Kristian. (1999) Convergence and summability of Gabor expansions at the Nyquist density. Journal of Fourier Analysis and Applications
    Vitenskapelig artikkel
  • Seip, Kristian. (2020) Universality and distribution of zeros and poles of some zeta functions. Journal d'Analyse Mathematique
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Seip, Kristian. (2018) Extreme values of the Riemann zeta function and its argument. Mathematische Annalen
    Vitenskapelig artikkel
  • Seip, Kristian; Ulanovskii, Aleksander. (1997) Beurling-Malliavin density of random sequences. Proceedings of the American Mathematical Society
    Vitenskapelig artikkel
  • Seip, Kristian; Ulanovskii, Aleksander. (1996) Random exponential frames. Journal of the London Mathematical Society
    Vitenskapelig artikkel
  • Brevig, Ole Fredrik; Perfekt, Karl-Mikael; Seip, Kristian; Siskakis, Aristomenis; Vukotic, Dragan. (2016) The multiplicative Hilbert matrix. Advances in Mathematics
    Vitenskapelig artikkel
  • Seip, Kristian; Ulanovskii, Aleksander. (1995) A best covering problem. Mathematica Scandinavica
    Vitenskapelig artikkel
  • Seip, Kristian; Marzo, Sanchez Jorge. (2011) L^\infty to L^p constants for Riesz projections. Bulletin des Sciences Mathématiques
    Vitenskapelig artikkel
  • Bondarenko, Andrii; Darbar, Pranendu; Hagen, Markus Valås; Heap, Paul Winston; Seip, Kristian. (2023) A dichotomy for extreme values of zeta and Dirichlet L-functions. Bulletin of the London Mathematical Society
    Vitenskapelig artikkel
  • Konyagin, Sergei; Queffelec, Herve; Saksman, Eero; Seip, Kristian. (2022) Riesz projection and bounded mean oscillation for Dirichlet series. Studia Mathematica
    Vitenskapelig artikkel
  • Queffelec, Herve; Seip, Kristian. (2015) Decay rates for approximation numbers of composition operators. Journal d'Analyse Mathematique
    Vitenskapelig artikkel

Bøker

  • Gesztesy, Fritz; Hanche-Olsen, Harald; Jakobsen, Espen Robstad; Lyubarskii, Yurii; Risebro, Nils Henrik; Seip, Kristian. (2018) Non-linear Partial Differential Equations, Mathematical Physics, and Stochastic Analysis: The Helge Holden Anniversary Volume. European Mathematical Society (EMS) Press
    Antologi
  • Seip, Kristian; Mashreghi, Javad; Ransford, Thomas. (2010) Hilbert spaces of analytic functions. American Mathematical Society (AMS)
    Antologi
  • Seip, Kristian. (2004) Interpolation and sampling in spaces of analytic functions. American Mathematical Society (AMS)
    Vitenskapelig monografi

Del av bok/rapport

  • Bondarenko, Andrii; Ortega-Cerdà, Joaquim; Radchenko, Danylo; Seip, Kristian. (2026) The Hörmander--Bernhardsson Extremal Function: A Preliminary Study.
    Vitenskapelig kapittel
  • Seip, Kristian. (2009) Interpolation by Dirichlet Series in H^infty.
    Vitenskapelig kapittel
  • Saksman, Eero; Seip, Kristian. (2016) Some open questions in analysis for Dirichlet series.
    Vitenskapelig kapittel
  • Hedenmalm, Håkan; Lindquist, Peter; Seip, Kristian. (1999) Addendum to "a Hilbert space of dirichlet series and systems of dilated functions in L%2(0,1)".
    Vitenskapelig kapittel

Rapport

  • Lyubarskii, Yurii; Seip, Kristian. (2001) A splitting problem for unconditional bases of complex exponentials. [Mangler utgivernavn]
    Forskningsrapport

Studentoppgave eller avhandling

  • Bampouras, Konstantinos; Perfekt, Karl-Mikael; Seip, Kristian. (2026) Hankel Operators on Hardy and Paley-Wiener spaces and the accumulated Möbius distortion. Norges teknisk-naturvitenskapelige universitet
    Doktoravhandling
  • Hjelle, Geir Arne; Seip, Kristian. (2006) Approximations by interpolating Blaschke products. NTNU, Tapir Uttrykk
    Doktoravhandling

Undervisning

Emner

  • MA1101 - Grunnkurs i analyse 1
  • MA1103 - Flervariabel analyse og vektoranalyse
  • MA3150 - Analytisk tallteori

Formidling

2025

  • Foredrag
    Seip, Kristian. (2025) The Hörmander--Bernhardsson extremal function. Analysis Seminar
  • Foredrag
    Seip, Kristian. (2025) The uncertainty principle revisited: Fourier uniqueness pairs and Fourier interpolation. Colloquium
  • Konferanseforedrag
    Seip, Kristian. (2025) The Hörmander--Bernhardsson extremal function. Progress and Emergent Theories in Zeta and L-Functions
  • Konferanseforedrag
    Seip, Kristian. (2025) The Hörmander--Bernhardsson extremal function. Modern Trends in Fourier Analysis
  • Konferanseforedrag
    Seip, Kristian. (2025) The Hörmander--Bernhardsson extremal function. Conference on Operator Theory and Complex Analysis

2024

  • Konferanseforedrag
    Seip, Kristian. (2024) Point evaluation in Paley--Wiener spaces. Analytic Function Spaces, Their Operators and Applications, celebrating the 60th birthday of Bill Ross
  • Konferanseforedrag
    Seip, Kristian. (2024) Critical exponents for the Riesz projection. Function Spaces 24
  • Foredrag
    Seip, Kristian. (2024) Fourier interpolation and the uncertainty principle. Colloquium
  • Konferanseforedrag
    Seip, Kristian. (2024) The norm of the backward shift on H^1 is 2 over the squareroot of 3. Shapes and shades of analysis
  • Konferanseforedrag
    Seip, Kristian. (2024) Critical exponents for the Riesz projection. Analysis Seminar
  • Konferanseforedrag
    Seip, Kristian. (2024) Fourier interpolation and the uncertainty principle. Mittag-Leffler Colloquium
  • Konferanseforedrag
    Seip, Kristian. (2024) Fourier interpolation and the uncertainty principle. Nasjonal matematikermøte

2023

  • Konferanseforedrag
    Seip, Kristian. (2023) Point evaluation in Paley--Wiener spaces. Analysis and Number Theory Seminar

2022

  • Konferanseforedrag
    Seip, Kristian. (2022) Idempotent Fourier multipliers acting contractively on H^p spaces. Operators, Functions, Systems: Classical and Modern
  • Konferanseforedrag
    Seip, Kristian. (2022) Point evaluation in Paley--Wiener spaces. Bordeaux Analysis Seminar
  • Konferanseforedrag
    Seip, Kristian. (2022) Inequalities via Numerics. Theoretical and Computational Aspects of Dynamical Systems
  • Foredrag
    Seip, Kristian. (2022) Riemann-hypotesen. Onsdagsforelesning
  • Konferanseforedrag
    Seip, Kristian. (2022) Contractive norm inequalities. 73rd British Mathematical Colloquium, Morning Lecture

2021

  • Foredrag
    Seip, Kristian. (2021) Riemann-hypotesen. Realfagsdagene 2021
  • Konferanseforedrag
    Seip, Kristian. (2021) Contractive inequalities for Hardy spaces. 13th ISAAC Congress (online conference)
  • Konferanseforedrag
    Seip, Kristian. (2021) Idempotent Fourier multipliers acting contractively on H^p spaces. Analysis Seminar, Beograd
  • Konferanseforedrag
    Seip, Kristian. (2021) Idempotent Fourier multipliers acting contractively on H^p spaces. Frontiers of Operator Theory
  • Konferanseforedrag
    Seip, Kristian. (2021) Idempotent Fourier multipliers acting contractively on H^p spaces. Geometric and Functional Analysis Seminer
  • Konferanseforedrag
    Seip, Kristian. (2021) Contractive inequalities for Hardy spaces. Colloquium on Analytic Function Spaces and their Applications
  • Konferanseforedrag
    Seip, Kristian. (2021) Contractive inequalities for Hardy spaces. ”Analysis Day” on the occasion of 80-th anniversary of Nikolai Nikolski

2020

  • Konferanseforedrag
    Seip, Kristian. (2020) Fourier interpolation with the zeros of the Riemann zeta function. Inaugural Lecture Tblisi Analysis & PDE Seminar
  • Konferanseforedrag
    Seip, Kristian. (2020) Fourier interpolation with the zeros of the Riemann zeta function. Online Seminar on Complex Analysis and Allied Topics, Roma, Milano, Bologna
  • Konferanseforedrag
    Seip, Kristian. (2020) Fourier interpolation with zeros of zeta and L-functions. Analysis and PDE Webinar (IMPA)
  • Konferanseforedrag
    Seip, Kristian. (2020) Fourier interpolation with zeros of zeta and L-functions. Tel Aviv University Analysis Seminar

2019

  • Konferanseforedrag
    Seip, Kristian. (2019) Some glimpses of the Riemann zeta function. Challenges and New Perspectives in Mathematics
  • Konferanseforedrag
    Seip, Kristian. (2019) Value distribution of some zeta functions. Explorations in Harmonic Analysis and Other realms, A conference honoring Alexander Olevskii's 80th birthday
  • Konferanseforedrag
    Seip, Kristian. (2019) Encounters with the Riemann Zeta Function. Barcelona Analysis Conference 2019
  • Konferanseforedrag
    Seip, Kristian. (2019) Value Distribution of Some Zeta Functions. Holomorphic Days
  • Konferanseforedrag
    Seip, Kristian. (2019) Value distribution of some zeta functions. New Trends in Complex and Fourier Analysis, and Operator Theory
  • Konferanseforedrag
    Seip, Kristian. (2019) Volterra operators on Hardy spaces of Dirichlet series. Spaces of Analytic Functions: Approximation, Interpolation, Sampling
  • Konferanseforedrag
    Seip, Kristian. (2019) The H^1 inequalities of Carleman and Hardy from a multiplicative point of view. Analysis, Probability, Number Theory and Their Interaction
  • Konferanseforedrag
    Seip, Kristian. (2019) On and around the Riemann zeta function. Colloquium
  • Konferanseforedrag
    Seip, Kristian. (2019) Value distribution of some zeta functions. Interpolation in Spaces of Analytic Functions
  • Konferanseforedrag
    Seip, Kristian. (2019) Value distribution of Dirichlet series. Advanced Course, Intensive Research Programme, "Spaces of Analytic Functions: Approximation, Interpolation, Sampling"I

2018

  • Konferanseforedrag
    Seip, Kristian. (2018) Extreme values of the Riemann zeta function and its argument. N-Cube Days
  • Konferanseforedrag
    Seip, Kristian. (2018) Hardy and BMO spaces of Dirichlet series. International Conference on Complex Analysis, Potential Theory and Applications, in honour of Professor Stephen J Gardiner on the occassion of his 60th Birthday
  • Konferanseforedrag
    Seip, Kristian. (2018) Extreme values of the Riemann zeta function and its argument. Analysis of operators on function spaces: A conference dedicated to the mathematics of Serguei Shimorin
  • Konferanseforedrag
    Seip, Kristian. (2018) Hardy spaces of Dirichlet series and the Riemann zeta function. 6th Spring School of Analysis in Memory of Aleksander Pelczynski
  • Foredrag
    Seip, Kristian. (2018) Yves Meyer -- the 2017 Abel Laureate. Forum for matematiske perler
  • Foredrag
    Seip, Kristian. (2018) Some milestones in the search for patterns in the primes. Matematikkdøgnet
  • Konferanseforedrag
    Seip, Kristian. (2018) Extreme values of the Riemann zeta function and its argument. International Conference on Complex Analysis Dedicated to the memory of Andrei Gonchar and Anatoliy Vitushkin

2017

  • Konferanseforedrag
    Seip, Kristian. (2017) Analysis for Dirichlet Series and the Riemann Zeta Function. Computational Methods and Function Theory
  • Konferanseforedrag
    Seip, Kristian. (2017) A Survey on Analysis for Dirichlet Series. Control of Distributed Parameter Systems
  • Konferanseforedrag
    Seip, Kristian. (2017) On the growth of the Riemann zeta function and its argument. Distinguished Colloquium
  • Konferanseforedrag
    Seip, Kristian. (2017) Interaction between number theory and analysis for Dirichlet series. Lecture Course, Simons Semester "Emergent trends in complex analysis and functional analysis"
  • Foredrag
    Seip, Kristian. (2017) Some milestones in research on the distribution of the primes. Finale i Abelkonkurransen
  • Konferanseforedrag
    Seip, Kristian. (2017) Hardy spaces of Dirichlet series and the Riemann zeta function. Conference on Nonlinear Functional Analysis
  • Foredrag
    Seip, Kristian. (2017) Yves Meyer - vinner av Abelprisen 2017. Norsk matematikkråd, årsmøte
  • Foredrag
    Seip, Kristian. (2017) Om primtall, primtallstvillinger og primtallsgap. Onsdagsseminar for realfagsstudenter

2016

  • Konferanseforedrag
    Seip, Kristian. (2016) Large GCD sums and extreme values of the Riemann zeta function. 27th Nordic Congress of Mathematicians
  • Konferanseforedrag
    Seip, Kristian. (2016) Analysis for Dirichlet Series and Analytic Number Theory. Minikurs
  • Konferanseforedrag
    Seip, Kristian. (2016) Gál type GCD sums and extreme values of the Riemann zeta function. Number Theory Seminar
  • Konferanseforedrag
    Seip, Kristian. (2016) Lower bounds for extreme values of the Riemann zeta function. 7th European Congress of Mathematics
  • Konferanseforedrag
    Seip, Kristian. (2016) Gál type GCD sums and extreme values of the Riemann zeta function. Analysis and Probability, Conference in Honour of Jean-Pierre Kahane
  • Konferanseforedrag
    Seip, Kristian. (2016) From Gál's theorem to extreme values of the Riemann zeta function. Harmonic Analysis, Complex Analysis, Spectral Theory and All That, Conference in Honour of Sasha Volberg
  • Konferanseforedrag
    Seip, Kristian. (2016) Hardy spaces of Dirichlet series and pseudomoments of the Riemann zeta function. Gjesteforelesning Universite Paris-Est Marne-la-Vallee
  • Foredrag
    Seip, Kristian. (2016) Riemanns zeta-funksjon og Riemann-hypotesen. Foredrag i regi av linjeforeningen Nabla
  • Konferanseforedrag
    Seip, Kristian. (2016) Operator theory for Dirichlet series. Analysis seminar
  • Konferanseforedrag
    Seip, Kristian. (2016) On the growth of the Riemann zeta function. Colloquium King's College London
  • Konferanseforedrag
    Seip, Kristian. (2016) On the growth of the Riemann zeta function. Colloquium University of Helsinki
  • Konferanseforedrag
    Seip, Kristian. (2016) Gal type GCD sums and extreme values of the Riemann zeta function. Number Theory Seminar
  • Konferanseforedrag
    Seip, Kristian; Bondarenko, Andrii. (2016) Extreme values of the Riemann zeta function. Analytic Number Theory

2015

  • Konferanseforedrag
    Seip, Kristian. (2015) Operators on Hardy spaces of Dirichlet series. Frontiers of Singular Integrals
  • Konferanseforedrag
    Seip, Kristian. (2015) Multiplicative Hankel matrices. Completeness Problems, Carleson Measures and Spaces of Analytic Functions
  • Konferanseforedrag
    Seip, Kristian. (2015) Hardy spaces of Dirichlet series and number theory. Recent Trends in Operator Theory and Functional Analysis
  • Konferanseforedrag
    Seip, Kristian. (2015) Multiplicative Hankel matrices. Colloquium Talk
  • Konferanseforedrag
    Seip, Kristian. (2015) Large GCD sums and extreme values of the Riemann zeta function. A Conference in Number Theory Celebrating the 65th Birthday of R. Balasubramanian

2014

  • Konferanseforedrag
    Seip, Kristian. (2014) Additive og multiplikative Hankel-former. Ski og matematikk 2014
  • Konferanseforedrag
    Seip, Kristian. (2014) Dirichlet Series and Analysis on Polydiscs. Minicourse Postgraduate Excellence Program
  • Konferanseforedrag
    Seip, Kristian. (2014) Poisson integrals on polydiscs. Complex Analysis and Related Topics
  • Konferanseforedrag
    Seip, Kristian. (2014) An inequality of Hardy-Littlewood type for Dirichlet polynomials. IWOTA
  • Konferanseforedrag
    Seip, Kristian. (2014) Hankel and composition operators on spaces of Dirichlet series. Function Spaces and Harmonic Analysis

2013

  • Konferanseforedrag
    Seip, Kristian. (2013) Analysis on Polydiscs. Stockholm Mathematics Center Colloquium
  • Konferanseforedrag
    Seip, Kristian. (2013) Polynomials on Polydiscs. 26th Nordic and First European-Nordic Congress of Mathematics
  • Konferanseforedrag
    Seip, Kristian. (2013) Analysis on Polydiscs. Kollokvium Universitetet i Oslo

2012

  • Konferanseforedrag
    Seip, Kristian. (2012) Hankel forms and a conjecture of Helson. HCAA 2012
  • Konferanseforedrag
    Seip, Kristian. (2012) Interpolation and sampling in small Bergman spaces. Analyseseminar NTNU
  • Konferanseforedrag
    Seip, Kristian. (2012) Estimates for Dirichlet polynomials. EMS Lectures 2012
  • Konferanseforedrag
    Seip, Kristian. (2012) Analysis on polydiscs. Colloquium University of Lund
  • Konferanseforedrag
    Seip, Kristian. (2012) GCD sums from Poisson integrals and systems of dilated functions. Operator related function theory and time frequency analysis
  • Konferanseforedrag
    Seip, Kristian. (2012) Boundary values and zeros of functions in Hilbert spaces of Dirichlet series; GCD sums from Poisson integrals and systems of dilated functions. EMS Lecturer 2012
  • Konferanseforedrag
    Seip, Kristian. (2012) Function theory of Hardy spaces of Dirichlet series. International Symposium on Orthogonal Polynomials and Special Functions -- a Complex Analytic Perspective

2011

  • Konferanseforedrag
    Seip, Kristian. (2011) Cyclicity of singular inner functions from the corona theorem. NTNU Analysis Seminar
  • Konferanseforedrag
    Seip, Kristian. (2011) Hardy spaces of Dirichlet series and function theory on polydiscs. KAWA 2 - Winterschool in Complex Analysis and Geometry
  • Konferanseforedrag
    Seip, Kristian. (2011) The Bohnenblust-Hille inequality for homogeneous polynomials. Holomorphic Day
  • Konferanseforedrag
    Seip, Kristian. (2011) Hankel forms and estimates for Dirichlet polynomials. International Workshop on Operator Theory and Applications (IWOTA) 22
  • Konferanseforedrag
    Seip, Kristian. (2011) Hankel forms and a conjecture of Helson. Analyseseminar NTNU
  • Konferanseforedrag
    Seip, Kristian. (2011) Hankel forms and a conjecture of Helson. Recent Trends in Analysis in Honor of Nikolai Nikolski

2010

  • Konferanseforedrag
    Seip, Kristian. (2010) Discrete Hilbert transforms and systems of reproducing kernels. Journees d'Analyse
  • Konferanseforedrag
    Seip, Kristian. (2010) L^∞ to L^p constants for Riesz projections. Analyseseminar
  • Konferanseforedrag
    Seip, Kristian. (2010) Bounded analytic functions on the infinite polydisc. 14th Nordan conference in Complex Analysis and Geometry
  • Konferanseforedrag
    Seip, Kristian. (2010) Hankel operators and the Bergman metric for Fock spaces. Workshop in Operator Theory and Complex Analysis
  • Konferanseforedrag
    Seip, Kristian. (2010) Estimates for Dirichlet polynomials. Mini course (4 lectures)
  • Konferanseforedrag
    Seip, Kristian. (2010) Discrete Hilbert transforms and systems of reproducing kernels. Functional Analysis Valencia 2010
  • Foredrag
    Seip, Kristian. (2010) The Abel Prize - A Century-Old Dream That Came True. Guest Lecture UAEU
  • Konferanseforedrag
    Seip, Kristian. (2010) Introduction about the Abel Prize. Symposium for John Torrence Tate

2009

  • Foredrag
    Seip, Kristian. (2009) The Abel Prize - a century old dream that came true. Colloquium Talk
  • Konferanseforedrag
    Seip, Kristian. (2009) Why Bohr got interested in his radius and what it has led to. Kollokvium
  • Konferanseforedrag
    Seip, Kristian. (2009) Unitary discrete Hilbert transforms. International Workshop on Complex Analysis dedicated to the 65th anniversary of Professor Arne Stray
  • Konferanseforedrag
    Seip, Kristian. (2009) Unitary discrete Hilbert transforms. Analysis seminar
  • Konferanseforedrag
    Seip, Kristian. (2009) Hardy spaces of Dirichlet series. Analysis seminar
  • Konferanseforedrag
    Seip, Kristian. (2009) Bounded analytic functions in infinite polydiscs. Workshop on multivariable operator theory
  • Konferanseforedrag
    Seip, Kristian. (2009) Hardy spaces of Dirichlet series and function theory in polydiscs. Norwegian Fall School on Analysis
  • Konferanseforedrag
    Seip, Kristian. (2009) The Bohnenblust-Hille inequality for homogeneous polynomials is hypercontractive. Analysis seminar
  • Konferanseforedrag
    Seip, Kristian. (2009) The Feichtinger conjecture in model subspaces of H^2. Strobl 09 Conference on Time-Frequency

2005

  • Konferanseforedrag
    Seip, Kristian. (2005) Extremal Functions. Recent Advances in Operator-Related Function Theory, II

2004

  • Konferanseforedrag
    Seip, Kristian. (2004) Surjective Toeplitz operators. IWOTA - International Workshop on Operator Theory and Applications
  • Konferanseforedrag
    Seip, Kristian. (2004) Interpolation and Sampling. 2nd International Course of Mathematical Analysis in Andalucia

2003

  • Konferanseforedrag
    Seip, Kristian. (2003) The constant of interpolation. Third Conference of the European Research Network "Analysis and Operators"
  • Konferanseforedrag
    Seip, Kristian. (2003) Harmonic measure on Swiss cheeses with uniformly spaced holes. First Joint Meeting RSME-AMS, Special Session on Banach Spaces of Analytic Functions
  • Konferanseforedrag
    Seip, Kristian. (2003) Interpolation problems in Spaces of Analytic Functions. [Mangler data]
  • Konferanseforedrag
    Seip, Kristian. (2003) Extremal functions. Colloquium Lecture
  • Konferanseforedrag
    Seip, Kristian. (2003) Interpolation and sampling in the unit disk. [Mangler data]
  • Konferanseforedrag
    Seip, Kristian. (2003) Extremal functions as divisors for kernels of Toeplitz operators. Analysis Seminar

2002

  • Konferanseforedrag
    Seip, Kristian. (2002) Sampling, interpolation, and Toeplitz operators. Congreso RSME 2002, Real Sociedad Matematica Espanola
  • Konferanseforedrag
    Seip, Kristian. (2002) Recent encounters with Toeplitz operators and coinvariant subspaces. Abel Bicentennial Conference 2002
  • Konferanseforedrag
    Seip, Kristian. (2002) Extremal functions as divisors for kernels of Toeplitz operators. NORDAN 2002, Nordic Complex Analysis Meeting
  • Konferanseforedrag
    Seip, Kristian. (2002) Kernels of Toeplitz operators via extremal functions. Seminar Lecture
  • Konferanseforedrag
    Seip, Kristian. (2002) Sampling, interpolation, and Toeplitz operators. Finnish Mathematical days.
  • Konferanseforedrag
    Seip, Kristian. (2002) Extremal functions as contractive or expansive divisors for kernels of Toeplitz operators. Seminar Talk, University of Helsinki.

2001

  • Konferanseforedrag
    Seip, Kristian. (2001) The Carleson condition and interpolation in Holomorphic spaces. [Mangler data]

2000

  • Konferanseforedrag
    Seip, Kristian. (2000) Fourier frames. [Mangler data]
  • Konferanseforedrag
    Seip, Kristian. (2000) Frames and Riesz bases of reproducing kernels in holomorphic spaces. Rajchman - Zygmund - Marcinkiewicz Symposium
  • Konferanseforedrag
    Seip, Kristian. (2000) Frames of complex exponentials and problems of norm equivalence for Hilbert spaces of entire functions. International Workshop on Operator Theory and Its Applications
  • Konferanseforedrag
    Seip, Kristian. (2000) Analysis at the Nyquist rate. Functional Analysis Valencia 2000

1999

  • Konferanseforedrag
    Seip, Kristian. (1999) Multipliers for entire functions and an interpolation problem of Beurling. Gelbart memorial Lectures
  • Konferanseforedrag
    Seip, Kristian. (1999) Nonharmonic Fourier Series and Some Harmonic Connections. Gelbart memorial Lectures
  • Konferanseforedrag
    Seip, Kristian. (1999) Equivalent norms for the Paley-Wiener space. Functional Analysis and related topics
  • Konferanseforedrag
    Seip, Kristian. (1999) Weighted Paley-Wiener Spaces. Analysis Seminar
  • Konferanseforedrag
    Seip, Kristian. (1999) Sampling sequences. SampTA'99
  • Konferanseforedrag
    Seip, Kristian. (1999) Weighted Paley-Wiener Spaces. Analysis Seminar
  • Konferanseforedrag
    Seip, Kristian. (1999) Sampling sequences. SampTA'99

1998

  • Konferanseforedrag
    Seip, Kristian. (1998) Developments from nonharmonic Fourier series. International Congress of Mathematicians
  • Foredrag
    Seip, Kristian. (1998) The weights of weighted Paley-Wiener spaces. [Mangler data]

1997

  • Foredrag
    Seip, Kristian. (1997) Beurling-type density theorems for weighted LP spaces of entire functions. Entire functions in modern analysis
  • Foredrag
    Seip, Kristian. (1997) Funksjonsteori i Bergman-rom. Ski og matematikk
  • Foredrag
    Seip, Kristian. (1997) Sampling and interpolation in some holomorphic spaces. [Mangler data]
  • Konferanseforedrag
    Seip, Kristian. (1997) On some interpolation problems for entire functions and the Hunt-Muckenhoupt-Wheeden theorem. Complex Analysis and Differential Equations

1995

  • Foredrag
    Seip, Kristian. (1995) A Hilbert space of Dirichlet series and systems of dilated functions in L2(0,1). Linear Problems in Analysis
  • Foredrag
    Seip, Kristian. (1995) Frames and bases of complex exponentials. [Mangler data]
  • Foredrag
    Seip, Kristian. (1995) Completeness and basicity of @(_f(nx)@) in L%2(0,1). [Mangler data]
  • Foredrag
    Seip, Kristian. (1995) A new application of Dirichlet series. Matematisk felleskollokvium
  • Foredrag
    Seip, Kristian. (1995) Sampling and interpolation in spaces of holomorphic functions. [Mangler data]
  • Foredrag
    Seip, Kristian. (1995) Interpolating sequences and invariant subspaces of infinite index in Bergman spaces. [Mangler data]

1994

  • Foredrag
    Seip, Kristian. (1994) Growth and zeros of functions in Bergman space. AMS Summer Research Conference "Bergman Spaces and the Operators That Act on Them"
  • Foredrag
    Seip, Kristian. (1994) Extensions of the Blaschke condition. 3rd Analysis Symposium

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