Prof. Jan Kristensen

Cand Polyt, PhD

Status

Academic Faculty

Professor of Mathematics and Tutorial Fellow at Magdalen College

+44 1865 615123

Contact form

ORCID iD

https://orcid.org/0000-0002-8302-5953

Research groups

Oxford Centre for Nonlinear PDE

Address

Magdalen College
High Street
Oxford
OX1 4AU

Highlighted publications

Automatic convexity of rank-1 convex functions

Kirchheim, B Kristensen, J Comptes Rendus Mathematique volume 349 issue 7-8 407-409 (01 Apr 2011)

Higher differentiability of minimizers of convex variational integrals

Carozza, M Kristensen, J Passarelli Di Napoli, A Annales de l'Institut Henri Poincare (C) Analyse Non Lineaire volume 28 issue 3 395-411 (01 Jan 2011)

Boundary Regularity in Variational Problems

Kristensen, J Mingione, G Archive for Rational Mechanics and Analysis volume 198 issue 2 369-455 (23 Apr 2010)

Characterization of generalized gradient young measures generated by sequences in W<sup>1,1</sup> and BV

Kristensen, J Rindler, F Archive for Rational Mechanics and Analysis volume 197 issue 2 539-598 (01 Jan 2010)

Relaxation of signed integral functionals in BV

Kristensen, J Rindler, F Calculus of Variations and Partial Differential Equations volume 37 issue 1 29-62 (01 Nov 2009)

Research interests

Calculus of Variations

Partial Differential Equations

Real Analysis

Recent publications

Distortion of Hausdorff measures under Orlicz-Sobolev maps

Cianchi, A Korobkov, M Kristensen, J Journal of the European Mathematical Society (19 Mar 2025)

Quasiconvex functionals of (p,q)-growth and the partial regularity of relaxed minimizers

Gmeineder, F Kristensen, J Archive for Rational Mechanics and Analysis volume 248 issue 5 (09 Sep 2024)

Lower semicontinuity, Stoilow factorization and principal maps

Astala, K Faraco, D Guerra, A Koski, A Kristensen, J Communications on Pure and Applied Analysis volume 24 issue 10 1608-1645 (02 Aug 2024)

Quantified Legendreness and the regularity of minima

De Filippis, C Koch, L Kristensen, J Archive for Rational Mechanics and Analysis volume 248 issue 4 (29 Jul 2024)

From the theorems of Morse, Sard, Dubovitskii and Federer to the Luzin N-property: the story so far

Ferone, A Korobkov, M Kristensen, J Pure and Applied Functional Analysis (01 Mar 2024)

Lower semicontinuity, Stoilow factorization and principal maps

Astala, K Faraco, D Guerra, A Koski, A Kristensen, J (29 Jan 2024)

Further details

Editorial boards

Advances in Calculus of Variations http://www.deGruyter.com/journals/acv

Nonlinear Analysis https://www.sciencedirect.com/journal/nonlinear-analysis

Zeitschrift fur Mathematik und ihrer Anwendungen https://www.ems-ph.org/journals/journal.php?jrn=ZAA

Calculus of Variations and Partial Differential Equations https://www.springer.com/journal/526

Science China Mathematics https://www.springer.com/journal/11425