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Fakultät für Mathematik
Anschrift
Thea-Leyman-Str. 9
45127 Essen
45127 Essen
Raum
WSC-O-4.63
Telefon
E-Mail
Funktionen
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Professor/in, Mathematik
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Gruppe der Professorinnen und Professoren, Fakultätsrat
Aktuelle Veranstaltungen
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WiSe 2025
Vergangene Veranstaltungen (max. 10)
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SoSe 2025
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WiSe 2024
Die folgenden Publikationen sind in der Online-Universitätsbibliographie der Universität Duisburg-Essen verzeichnet. Weitere Informationen finden Sie gegebenenfalls auch auf den persönlichen Webseiten der Person.
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On notions of p-parabolic capacity and applicationsIn: Potential Analysis, Jg. 63, 2025, Nr. 2, S. 895 – 946DOI (Open Access)
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Supercaloric functions for the porous medium equation in the fast diffusion caseIn: Revista Matemática Iberoamericana, Jg. 41, 2025, Nr. 2, S. 509 – 550DOI (Open Access)
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Fractional Higher Differentiability for Solutions of Stationary Stokes and Navier-Stokes Systems with Orlicz GrowthIn: Potential Analysis, Jg. 60, 2024, Nr. 2, S. 647 – 672DOI (Open Access)
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Higher integrability for singular doubly nonlinear systemsIn: Annali di Matematica Pura ed Applicata, Jg. 203, 2024, Nr. 5, S. 2235 – 2274DOI (Open Access)
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On two notions of solutions to the obstacle problem for the singular porous medium equationIn: Discrete and Continuous Dynamical Systems: Series A (DCDS-A), Jg. 44, 2024, Nr. 10, S. 3263 – 3286DOI, Online Volltext (Open Access)
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Boundary regularity for elliptic systems with p,q-growthIn: Journal de Mathématiques Pures et Appliquées, Jg. 159, 2022, S. 250 – 293
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Boundary regularity for parabolic systems in convex domainsIn: Journal of the London Mathematical Society, Jg. 105, 2022, Nr. 3, S. 1702 – 1751DOI (Open Access)
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Gradient Hölder regularity for degenerate parabolic systemsIn: Nonlinear Analysis: Theory, Methods & Applications, Jg. 225, 2022, 113119DOI (Open Access)
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Higher integrability for doubly nonlinear parabolic systemsIn: Partial Differential Equations and Applications, Jg. 3, 2022, Nr. 6, 74DOI (Open Access)
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On the definition of solution to the total variation flowIn: Calculus of Variations and Partial Differential Equations, Jg. 61, 2022, Nr. 1, 40DOI (Open Access)
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Blow-up analysis and boundary regularity for variationally biharmonic mapsIn: Nonlinear Analysis: Theory, Methods & Applications, Jg. 200, 2020, S. 111971DOI, Online Volltext (Open Access)
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Global higher integrability of weak solutions of porous medium systemsIn: Communications on Pure and Applied Analysis (CPAA), Jg. 19, 2020, Nr. 3, S. 1697 – 1745DOI, Online Volltext (Open Access)
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Higher differentiability for solutions of stationary p-Stokes systemsIn: Mathematische Nachrichten, Jg. 293, 2020, Nr. 11, S. 2082 – 2111
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Higher integrability for doubly nonlinear parabolic systemsIn: Journal de Mathématiques Pures et Appliquées, Jg. 143, 2020, S. 31 – 72DOI, Online Volltext (Open Access)
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Higher integrability for the singular porous medium systemIn: Journal für die reine und angewandte Mathematik (Crelle's Journal), 2020, Nr. 767, S. 203 – 230DOI, Online Volltext (Open Access)
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Higher integrability in the obstacle problem for the fast diffusion equationIn: Journal of Mathematical Analysis and Applications, Jg. 491, 2020, Nr. 2, 124365DOI, Online Volltext (Open Access)
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Hölder Regularity for Singular Parabolic Obstacle Problems of Porous Medium TypeIn: International Mathematics Research Notices (IMRN), 2020, Nr. 6, S. 1671 – 1717
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Integral convexity and parabolic systemsIn: SIAM Journal on Mathematical Analysis, Jg. 52, 2020, Nr. 2, S. 1489 – 1525
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On higher differentiability of solutions of parabolic systems with discontinuous coefficients and (p, q)-growthIn: Proceedings of the Royal Society of Edinburgh: Section A: Mathematics, Jg. 150, 2020, Nr. 1, S. 419 – 451
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Der Fluss zur Totalvariation : Nichtlinearität und andere HindernisseIn: Unikate: Berichte aus Forschung und Lehre, 2019, Nr. 53: Mathematik - Herausforderung des Nichtlinearen, S. 55 – 60DOI, Online Volltext (Open Access)
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Existence for evolutionary problems with linear growth by stability methodsIn: Journal of Differential Equations, Jg. 266, 2019, Nr. 11, S. 7709 – 7748DOI (Open Access)
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The higher integrability of weak solutions of porous medium systemsIn: Advances in Nonlinear Analysis, Jg. 8, 2019, Nr. 1, S. 1004 – 1034DOI (Open Access)
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The self-improving property of higher integrability in the obstacle problem for the porous medium equationIn: Nonlinear Differential Equations and Applications (NoDEA), Jg. 26, 2019, Nr. 5, S. 37
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A variational approach to doubly nonlinear equationsIn: Rendiconti Lincei: Matematica e Applicazioni, Jg. 29, 2018, Nr. 4, S. 739 – 772
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Doubly Nonlinear Equations of Porous Medium TypeIn: Archive for Rational Mechanics and Analysis, Jg. 229, 2018, Nr. 2, S. 503 – 545
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Existence of variational solutions in noncylindrical domainsIn: SIAM Journal on Mathematical Analysis, Jg. 50, 2018, Nr. 3, S. 3007 – 3057DOI, Online Volltext (Open Access)
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On the dual formulation of obstacle problems for the total variation and the area functionalIn: Annales de l'Institut Henri Poincaré (C): Non Linear Analysis, Jg. 35, 2018, Nr. 5, S. 1175 – 1207
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Hölder regularity for degenerate parabolic obstacle problemsIn: Arkiv för Matematik, Jg. 55, 2017, Nr. 1, S. 1 – 39DOI (Open Access)
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The obstacle problem for parabolic minimizersIn: Journal of Evolution Equations, Jg. 17, 2017, Nr. 4, S. 1273 – 1310
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BV supersolutions to equations of 1-Laplace and minimal surface typeIn: Journal of Differential Equations, Jg. 261, 2016, Nr. 3, S. 1904 – 1932
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Higher differentiability of solutions of parabolic systems with discontinuous coefficientsIn: Journal of the London Mathematical Society, Jg. 94, 2016, Nr. 1, S. 1 – 20
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Minimizers of Higher Order Gauge Invariant FunctionalsIn: The Journal of Geometric Analysis, Jg. 26, 2016, Nr. 2, S. 1061 – 1108DOI, Online Volltext (Open Access)
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The obstacle problem for the total variation flowIn: Annales Scientifiques de l'ENS (Ecole Normale Superieure), Jg. 49, 2016, Nr. 5, S. 1143 – 1188
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The total variation flow with time dependent boundary valuesIn: Calculus of Variations and Partial Differential Equations, Jg. 55, 2016, Nr. 4, S. 108
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A sharp quantitative isoperimetric inequality in hyperbolic n-spaceIn: Calculus of Variations and Partial Differential Equations, Jg. 54, 2015, Nr. 4, S. 3967 – 4017
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Existence of localizable solutions to nonlinear parabolic problems with irregular obstaclesIn: Manuscripta Mathematica, Jg. 146, 2015, Nr. 1, S. 7 – 63
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Short-time regularity for the H-surface flowIn: International Mathematics Research Notices (IMRN), 2015, Nr. 12, S. 3694 – 3750DOI, Online Volltext (Open Access)
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The evolution of H-surfaces with a plateau boundary conditionIn: Annales de l'Institut Henri Poincaré (C): Non Linear Analysis, Jg. 32, 2015, Nr. 1, S. 109 – 157DOI, Online Volltext (Open Access)
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The obstacle problem for the porous medium equationIn: Mathematische Annalen, Jg. 363, 2015, Nr. 1-2, S. 455 – 499
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Weak solutions to the heat flow for surfaces of prescribed mean curvatureIn: Transactions of the American Mathematical Society (TRAN), Jg. 365, 2013, Nr. 9, S. 4633 – 4677
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Elliptic obstacle problems with measure data: Potentials and low order regularityIn: Publicacions Matematiques, Jg. 56, 2012, Nr. 2, S. 327 – 374
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Global solutions to the heat flow for $m$-harmonic maps and regularityIn: Indiana University Mathematics Journal, Jg. 61, 2012, Nr. 6, S. 2157 – 2210
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Gradient potential estimates in non-linear elliptic obstacle problems with measure dataIn: Journal of Functional Analysis, Jg. 262, 2012, Nr. 6, S. 2777 – 2832
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Higher integrability in parabolic obstacle problemsIn: Forum Mathematicum, Jg. 24, 2012, Nr. 5, S. 931 – 972
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Potential estimates in parabolic obstacle problemsIn: Annales Academiae Scientiarum Fennicae Mathematica, Jg. 37, 2012, S. 415 – 443
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Stationary electro-rheological fluids : Low order regularity for systems with discontinuous coefficientsIn: Advances in Calculus of Variations, Jg. 5, 2012, Nr. 1, S. 1 – 57
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Partial Hölder continuity for discontinuous elliptic problems with VMO-coefficientsIn: Proceedings of the London Mathematical Society, Jg. 103, 2011, Nr. 3, S. 371 – 404
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Partial regularity for subquadratic parabolic systems by A-caloric approximationIn: Revista Matemática Iberoamericana, Jg. 27, 2011, Nr. 3, S. 751 – 801
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Asymptotically regular problems I : Higher integrabilityIn: Journal of Differential Equations, Jg. 248, 2010, Nr. 4, S. 745 – 791
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Non-linear Calderón–Zygmund theory for parabolic systems with subquadratic growthIn: Journal of Evolution Equations, Jg. 10, 2010, Nr. 3, S. 597 – 622
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Regularity for subquadratic parabolic systems: higher integrability and dimension estimatesIn: Proceedings of the Royal Society of Edinburgh: Section A: Mathematics, Jg. 140, 2010, Nr. 6, S. 1269 – 1308
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An optimal partial regularity result for minimizers of an intrinsically defined second-order functionalIn: Annales de l'Institut Henri Poincare (C) Non Linear Analysis, Jg. 26, 2009, Nr. 5, S. 1585 – 1605
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Asymptotically regular problems II : Partial Lipschitz continuity and a singular set of positive measureIn: Annali della Scuola Normale Superiore di Pisa, Classe di Scienze, Jg. 8, 2009, Nr. 3, S. 469 – 507
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Regularity of polyharmonic maps in the critical dimensionIn: Communications in Analysis and Geometry (CAG), Jg. 17, 2009, Nr. 2, S. 185 – 226
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Dimension reduction for the singular set of biharmonic mapsIn: Advances in calculus of variations, Jg. 1, 2008, Nr. 1, S. 53 – 91
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Partial regularity for stationary harmonic maps at a free boundaryIn: Mathematische Zeitschrift, Jg. 253, 2006, Nr. 1, S. 135 – 157
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Variationally harmonic maps with general boundary conditions : Boundary regularityIn: Calculus of variations and partial differential equations, Jg. 25, 2006, Nr. 4, S. 409 – 429
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Evolutionary Problems in Non-Cylindrical DomainsIn: Harnack Inequalities and Nonlinear Operators: Proceedings of the INdAM conference to celebrate the 70th birthday of Emmanuele DiBenedetto / INdAM Conference ; June 18th to 24th, 2017, Cortona / Vespri, Vincenzo; Gianazza, Ugo; Monticelli, Dario Daniele; Punzo, Fabio; Andreucci, Daniele (Hrsg.). Cham: Springer, 2021, S. 43 – 60