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Published in Journal of Evolution Equations, 2020
Recommended citation: Kaltenbach, A., Růžička, M. Note on the existence theory for pseudo-monotone evolution problems. J. Evol. Equ. 21, 247–276 (2021). https://doi.org/10.1007/s00028-020-00577-y https://doi.org/10.1007/s00028-020-00577-y
Published in Journal of Mathematical Analysis and Applications, 2021
Recommended citation: Kaltenbach, A., Růžička, M. Variable exponent Bochner–Lebesgue spaces with symmetric gradient structure. J. Math. Anal. Appl. 503:2 (2021). https://doi.org/10.1016/j.jmaa.2021.125355 https://doi.org/10.1016/j.jmaa.2021.125355
Published in Lecture Notes in Mathematics, 2021
Recommended citation: Kaltenbach, A. Theory of pseudo-monotone operators for unsteady problems in variable exponent spaces. Freidok University of Freiburg (2021). https://doi.org/10.6094/UNIFR/222538 https://doi.org/10.6094/UNIFR/222538
Published in Mathematical Models and Methods in Applied Sciences, 2021
Recommended citation: Berselli, L. C., Kaltenbach, A., Růžička, M. Analysis of fully discrete, quasi non-conforming approximations of evolution equations and applications. J. Math. Anal. Appl. 31:11, 2297-2343 (2021). https://doi.org/10.1142/S0218202521500494 https://doi.org/10.1142/S0218202521500494
Published in Numerische Mathematik, 2021
Recommended citation: Bartels, S., Kaltenbach, A. Error estimates for total-variation regularized minimization problems with singular dual solutions. Numer. Math. 152, 881–906 (2022). https://doi.org/10.1007/s00211-022-01324-w https://doi.org/10.1007/s00211-022-01324-w
Published in Pure and Applied Functional Analysis, 2022
Recommended citation: Berselli, L. C., Kaltenbach, A., Lewandowski, R., Růžička, M. On the existence of weak solutions for a family of unsteady rotational Smagorinsky models. Pure Appl. Funct. Anal. 8:1, 83--102 (2023). http://yokohamapublishers.jp/online2/oppafa/vol8/p83.html http://yokohamapublishers.jp/online2/oppafa/vol8/p83.html
Published in Mathematische Nachrichten, 2022
Recommended citation: Kaltenbach, A. Note on the existence theory for non-induced evolution equations. Mathematische Nachrichten. Math. Nachr. 295:6, 1186–1210 (2022). https://doi.org/10.1002/mana.201900555 https://doi.org/10.1002/mana.201900555
Published in ArXiv, 2022
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Published in ArXiv, 2023
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Published in Mathematics of Computation, 2023
Recommended citation: Bartels, S., Kaltenbach, A. Explicit and efficient error estimation for convex minimization problems. Math. Comp. 92, 2247-2279 (2023). https://doi.org/10.1090/mcom/3821 https://doi.org/10.1090/mcom/3821
Published in Journal of Mathematical Fluid Mechanics, 2023
Recommended citation: Kaltenbach, A., Růžička, M. Existence of steady solutions for a model for micropolar electrorheological fluid flows with not globally log-Hölder continuous shear exponent. J. Math. Fluid Mech. 25:40 (2023). https://doi.org/10.1007/s00021-023-00782-y https://doi.org/10.1007/s00021-023-00782-y
Published in ESAIM: Mathematical Modelling and Numerical Analysis (ESAIM: M2AN), 2023
Recommended citation: Kaltenbach, A., Růžička, M. Convergence analysis of a Local Discontinuous Galerkin approximation for nonlinear systems with balanced Orlicz-structure. ESAIM: Math. Model. Numer. Anal. 57(3), 1381–1411 (2023). https://doi.org/10.1051/m2an/2023028 https://doi.org/10.1051/m2an/2023028
Published in Mathematical Models and Methods in Applied Sciences, 2023
Recommended citation: Kaltenbach, A., Růžička, M. Analysis of a fully-discrete, non-conforming approximation of evolution equations and applications. Math. Models Methods Appl. Sci. 33:06, 1147-1192 (2023). https://doi.org/10.1142/S0218202523500197 https://doi.org/10.1142/S0218202523500197
Published in SIAM Journal on Mathematical Analysis, 2023
Recommended citation: Kaltenbach, A., Růžička, M. Existence of steady solutions for a general model for micropolar electrorheological fluid flows. SIAM J. Math. Anal. 55:3, 2238–2260 (2023). https://doi.org/10.1137/22M1500599 https://doi.org/10.1137/22M1500599
Published in Journal of Foundations of Computational Mathematics, 2023
Recommended citation: Bartels, S., Kaltenbach, A. Explicit a posteriori error representation for variational problems and application to TV-minimization. Found. Comput. Math. (2024). https://doi.org/10.1007/s10208-024-09676-5 https://doi.org/10.1007/s10208-024-09676-5
Published in SIAM Journal on Numerical Analysis, 2023
Recommended citation: Kaltenbach, A., Růžička, M. A Local Discontinuous Galerkin approximation for the p-Navier–Stokes system, part I: convergence analysis. SIAM J. Numer. Anal. 64:4, 1613–1640 (2023). https://doi.org/10.1137/22M151474X https://doi.org/10.1137/22M151474X
Published in SIAM Journal on Numerical Analysis, 2023
Recommended citation: Kaltenbach, A., Růžička, M. A Local Discontinuous Galerkin approximation for the p-Navier–Stokes system, part II: convergence rates for the velocity. SIAM J. Numer. Anal. 64:4, 1641-1663 (2023). https://doi.org/10.1137/22M1514751 https://doi.org/10.1137/22M1514751
Published in SIAM Journal on Numerical Analysis, 2023
Recommended citation: Kaltenbach, A., Růžička, M. A Local Discontinuous Galerkin approximation for the p-Navier–Stokes system, part III: convergence rates for the pressure. SIAM J. Numer. Anal. 64:4, 1763-1782 (2023). https://doi.org/10.1137/22M1541472 https://doi.org/10.1137/22M1541472
Published in Lecture Notes in Mathematics, 2023
Recommended citation: Kaltenbach, A. Pseudo-monotone operator theory for unsteady problems with variable exponents. Lect. Notes Math. (2023). https://doi.org/10.1007/978-3-031-29670-3 https://doi.org/10.1007/978-3-031-29670-3
Published in Journal of Numerical Mathematics, 2023
Recommended citation: Kaltenbach, A. Error analysis for a Crouzeix–Raviart approximation of the p-Dirichlet problem. J. Numer. Math. 32:2, 111–138 (2024). https://doi.org/10.1515/jnma-2022-0106 https://doi.org/10.1515/jnma-2022-0106
Published in SIAM Journal on Numerical Analysis, 2023
Recommended citation: Jeßberger, J., Kaltenbach, A. Finite element discretization of the steady, generalized Navier–Stokes equations with inhomogeneous Dirichlet boundary conditions. SIAM J. Numer. Anal. 62:4, 1660-1686 (2024). https://doi.org/10.1137/23M1607398 https://epubs.siam.org/doi/abs/10.1137/23M1607398
Published in IMA Journal of Numerical Analysis, 2023
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Published in ArXiv, 2023
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Published in ESAIM: Mathematical Modelling and Numerical Analysis, 2024
Recommended citation: Kaltenbach, A., Růžička, M. Note on quasi-optimal error estimates for the pressure for shear-thickening fluids. ESAIM: Math. Model. Numer. Anal. (2024). https://doi.org/10.1016/bs.aams.2024.04.001 https://doi.org/10.1051/m2an/2024051
Published in Advances in Applied Mechanics, 2024
Recommended citation: Bartels, S., Kaltenbach, A. Exact a posteriori error control for variational problems via convex duality and explicit flux reconstruction. Adv. Appl. Mech. 58 (2024). https://doi.org/10.1016/bs.aams.2024.04.001 https://doi.org/10.1016/bs.aams.2024.04.001
Published in ArXiv, 2024
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Published in IMA Journal of Numerical Analysis, 2024
Recommended citation: Kaltenbach, A. On the stability and convergence of discontinuous Galerkin schemes for incompressible flows. IMA J. Numer. Anal. (2024). https://doi.org/10.1093/imanum/drae004 https://doi.org/10.1093/imanum/drae004
Published in IMA Journal of Numerical Analysis, 2024
Recommended citation: Kaltenbach, A. Error analysis for a Crouzeix–Raviart approximation of the variable exponent Dirichlet problem. IMA J. Numer. Anal. (2024). https://doi.org/10.1093/imanum/drae025 https://doi.org/10.1093/imanum/drae025
Published in ArXiv, 2024
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Published in ArXiv, 2024
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Published in ArXiv, 2024
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Published in ArXiv, 2024
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Published in Mathematische Annalen, 2024
Recommended citation: Berselli, L.C., Kaltenbach, A., and Růžička, M. Energy conservation for weak solutions of incompressible Newtonian fluid equations in Hölder spaces with Dirichlet boundary conditions in the half-space. Math. Ann. (2024). https://doi.org/10.1007/s00208-024-03065-7 https://doi.org/10.1007/s00208-024-03065-7
Published in ArXiv, 2025
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Published in ArXiv, 2025
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Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2019
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2019
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2020
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2020
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2020
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2020
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2021
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2021
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2021
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2021
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2022
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2022
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2022
Undergraduate course, University of Freiburg, Department of Applied Mathematics, 2023
Undergraduate course, Technical University of Berlin, Institute of Mathematics, 2024
Undergraduate course, Technical University of Berlin, Institute of Mathematics, 2024