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Fakultät für Mathematik
Anschrift
Thea-Leymann-Str. 9
45127 Essen
45127 Essen
Raum
WSC-S-4.01
Telefon
E-Mail
Funktionen
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Professor/in, Mathematik / Campus Essen
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Professor/in, 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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Constrained Lᵖ approximation of shape tensors and its role for the determination of shape gradientsIn: Mathematical Control and Related Fields (MCRF), Jg. 15, 2025, Nr. 4, S. 1376 – 1399DOI, Online Volltext (Open Access)
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Shape Optimization by Constrained First-Order System Least Mean ApproximationIn: SIAM Journal on Scientific Computing, Jg. 46, 2024, Nr. 5, S. A3044 – A3066
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Multigrid for the dual formulation of the frictionless Signorini problemIn: International Journal for Numerical Methods in Engineering, Jg. 124, 2023, Nr. 10, S. 2367 – 2388DOI (Open Access)
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A posteriori error estimates by weakly symmetric stress reconstruction for the Biot problemIn: Computers & Mathematics with Applications, Jg. 91, 2021, S. 3 – 16DOI, Online Volltext (Open Access)
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Weakly symmetric stress equilibration and a posteriori error estimation for linear elasticityIn: Numerical Methods for Partial Differential Equations, Jg. 37, 2021, Nr. 4, S. 2783 – 2802DOI (Open Access)
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Weakly symmetric stress equilibration for hyperelastic material modelsIn: GAMM-Mitteilungen, Jg. 43, 2020, Nr. 2: Special Issue: Reliable Simulation Techniques in Solid Mechanics – Part II, S. e202000007DOI, Online Volltext (Open Access)
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A Posteriori Error Estimation for Planar Linear Elasticity by Stress ReconstructionIn: Computational Methods in Applied Mathematics, Jg. 19, 2019, Nr. 3, S. 663 – 679DOI, Online Volltext (Open Access)
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EditorialIn: Unikate: Berichte aus Forschung und Lehre, 2019, Nr. 53: Mathematik: Herausforderung des Nichtlinearen, S. 7 – 8DOI, Online Volltext (Open Access)
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An adaptive least-squares fem for linear elasticity with optimal convergence ratesIn: SIAM Journal on Numerical Analysis, Jg. 56, 2018, Nr. 1, S. 428 – 447DOI, Online Volltext (Open Access)
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A Prange–Hellinger–Reissner type finite element formulation for small strain elasto-plasticityIn: Computer Methods in Applied Mechanics and Engineering, Jg. 317, 2017, S. 400 – 418
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An adaptive least-squares mixed finite element method for the Signorini problemIn: Numerical Methods for Partial Differential Equations, Jg. 33, 2017, Nr. 1, S. 276 – 289
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Dev-Div- and DevSym-DevCurl-inequalities for incompatible square tensor fields with mixed boundary conditionsIn: Control, Optimisation and Calculus of Variations (ESAIM-COCV), Jg. 22, 2016, Nr. 1, S. 112 – 133
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Flächen- und kantenbasierte Finite-Element-Approximationen in der FestkörpermechanikIn: GAMM Rundbrief / Gesellschaft für Angewandte Mathematik und Mechanik, Jg. 2016, 2016, Nr. 1, S. 4 – 9
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Parametric Raviart-Thomas Elements for Mixed Methods on Domains with Curved SurfacesIn: SIAM Journal on Numerical Analysis, Jg. 54, 2016, Nr. 6, S. 3648 – 3667
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An improved mixed finite element based on a modified least-squares formulation for hyperelasticityIn: Proceedings in Applied Mathematics and Mechanics (PAMM), Jg. 14, 2014, Nr. 1, Special Issue: 85th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), S. 243 – 244
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First-Order System Least Squares for Coupled Stokes–Darcy FlowIn: SIAM Journal on Numerical Analysis, Jg. 49, 2014, Nr. 1, S. 387 – 404
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First-order system least squares on curved boundaries : Lowest-order Raviart-Thomas elementsIn: SIAM Journal on Numerical Analysis, Jg. 52, 2014, Nr. 2, S. 880 – 894
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First-order system least squares on curved boundaries : higher-order Raviart-Thomas elementsIn: SIAM Journal on Numerical Analysis, Jg. 52, 2014, Nr. 6, S. 3165 – 3180
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New Poincaré-type inequalitiesIn: Comptes Rendus Mathématique, Jg. 352, 2014, Nr. 2, S. 163 – 166
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On a least-squares formulation for hyperelastic, transversely isotropic problemsIn: Proceedings in Applied Mathematics and Mechanics (PAMM), Jg. 14, 2014, Nr. 1, Special Issue: 85th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), S. 247 – 248
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A first-order system least squares method for hyperelasticityIn: SIAM Journal on Scientific Computing, Jg. 36, 2013, Nr. 5, S. B795 – B816
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Comparison of geometrically nonlinear LSFEM formulations based on different hyperelastic modelsIn: Proceedings in Applied Mathematics and Mechanics (PAMM), Jg. 13, 2013, Nr. 1, S. 97 – 98
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Some Poincaré type inequalities for quadratic matrix fields
84th Annual Meeting of the Gesellschaft für Angewandte Mathematik und Mechanik,18 – 22 March 2013, Novi Sad, Serbia,In: Proceedings in Applied Mathematics and Mechanics (PAMM), Jg. 13, 2013, Nr. 1, 84th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), Novi Sad 2013, S. 359 – 360 -
Least-squares mixed finite elements for hyperelastic material modelsIn: Oberwolfach Reports, Jg. 9, 2012, Nr. 1, S. 470 – 473
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Solving hyperelastic problems using mixed LSFEMIn: Proceedings in Applied Mathematics and Mechanics (PAMM), Jg. 12, 2012, Nr. 1, S. 2015 – 2016
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Stress-displacement least squares mixed finite element approximation for hyperelastic materialsIn: Oberwolfach Reports, Jg. 9, 2012, Nr. 1, S. 467 – 469
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Analysis of a modified First-Order System Least Squares Method for linear Elasticity with improved Momentum BalanceIn: SIAM Journal on Numerical Analysis, Jg. 49, 2011, Nr. 3, S. 1006 – 1022
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Numerical approximation of water–air two-phase flow by the mixed finite element methodIn: Computers and Geotechnics, Jg. 30, 2003, Nr. 8, S. 695 – 705
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Least-Squares Finite Element Formulation for Finite Strain Elasto-PlasticityIn: Non-standard Discretisation Methods in Solid Mechanics / Schröder, Jörg; Wriggers, Peter (Hrsg.). Cham: Springer Nature, 2022, S. 149 – 167
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Stress Equilibration for Hyperelastic ModelsIn: Non-standard Discretisation Methods in Solid Mechanics / Schröder, Jörg; Wriggers, Peter (Hrsg.). Cham: Springer Nature, 2022, S. 91 – 105
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Stress-Based Methods for Quasi-Variational Inequalities Associated with Frictional ContactIn: Non-Smooth and Complementarity-Based Distributed Parameter Systems: Simulation and Hierarchical Optimization / Hintermüller, Michael; Herzog, Roland; Kanzow, Christian; Ulbrich, Michael; Ulbrich, Stefan (Hrsg.). Cham; Basel; Boston, Mass.; Berlin: Springer, 2022, S. 445 – 466
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Equilibrated Stress Reconstruction and a Posteriori Error Estimation for Linear ElasticityIn: Novel Finite Element Technologies for Solids and Structures / Schröder, Jörg; de Mattos Pimenta, Paulo (Hrsg.). Cham: Springer, 2020, S. 69 – 106
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Strong vs. weak symmetry in stress-based mixed finite element methods for linear elasticityIn: Numerical Mathematics and Advanced Applications: ENUMATH 2017 / European Conference on Numerical Mathematics and Advanced Applications, ENUMATH 2017; Voss; Norway; 25 - 27 September 2017. Cham: Springer Verlag, 2019, S. 323 – 333
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Stress-Based Finite Element Methods in Linear and Nonlinear Solid MechanicsIn: Advanced Finite Element Technologies. Cham: Springer, 2016, S. 69 – 104
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Efficient Solvers for Mixed Finite Element Discretizations of Nonlinear Problems in Solid MechanicsIn: Modelling, Simulation and Software Concepts for Scientific-Technological Problems / Stephan, Ernst; Wriggers, Peter (Hrsg.). Berlin, Heidelberg: Springer Berlin Heidelberg, 2011, S. 201 – 209
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Adaptive Least Squares Finite Element Methods in Elasto-PlasticityIn: Large-Scale Scientific Computing: Revised Papers / 7th International Conference, LSSC 2009, Sozopol, Bulgaria, June 4-8, 2009 / Lirkov, Ivan (Hrsg.). Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2010, S. 671 – 678