Alex Kaltenbach

39 papers Journal 39

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	A Priori and A Posteriori Error Identities for Vectorial Problems via Convex Duality. CoRR Pablo Alexei Gazca-Orozco, Alex Kaltenbach
2026	J	`jnl`	Explicit A Posteriori Error Representation for Variational Problems and Application to TV-Minimization. Found. Comput. Math. Sören Bartels, Alex Kaltenbach
2026	J	`jnl`	Modeling and Analysis of an Optimal Insulation Problem on Nonsmooth Domains. SIAM J. Math. Anal. Harbir Antil, Alex Kaltenbach, Keegan L. A. Kirk
2026	J	`jnl`	Quasi-optimal Discontinuous Galerkin discretisations of the $p\hspace{0.83328pt}$-Dirichlet problem. Numerische Mathematik Jan Blechta, Pablo Alexei Gazca-Orozco, Alex Kaltenbach, Michael Ruzicka
2025	J	`jnl`	A Priori and A Posteriori Error Identities for the Scalar Signorini Problem. SIAM J. Numer. Anal. Sören Bartels, Thirupathi Gudi, Alex Kaltenbach
2025	J	`jnl`	Convergence analysis for a fully-discrete finite element approximation of the unsteady p(· ,· )-Navier-Stokes equations. Numerische Mathematik Luigi C. Berselli, Alex Kaltenbach
2025	J	`jnl`	Duality-Based Algorithm and Numerical Analysis for Optimal Insulation Problems on Non-Smooth Domains. CoRR Harbir Antil, Alex Kaltenbach, Keegan L. A. Kirk
2025	J	`jnl`	Error analysis for a fully-discrete finite element approximation of the unsteady p(·,·)-Stokes equations. CoRR Luigi C. Berselli, Alex Kaltenbach, Seungchan Ko
2025	J	`jnl`	Pulsatile Flows for Simplified Smart Fluids with Variable Power-Law: Analysis and Numerics. CoRR Luigi C. Berselli, Alex Kaltenbach
2024	J	`jnl`	A priori and a posteriori error identities for the scalar Signorini problem. CoRR Sören Bartels, Thirupathi Gudi, Alex Kaltenbach
2024	J	`jnl`	Conditional quasi-optimal error estimate for a finite element discretization of the CoRR Alex Kaltenbach, Michael Ruzicka
2024	J	`jnl`	Convergence analysis for a fully-discrete finite element approximation of the unsteady p(·, ·)-Navier-Stokes equations. CoRR Luigi C. Berselli, Alex Kaltenbach
2024	J	`jnl`	Error analysis for a Crouzeix-Raviart approximation of the p-Dirichlet problem. J. Num. Math. Alex Kaltenbach
2024	J	`jnl`	Exact a posteriori error control for variational problems via convex duality and explicit flux reconstruction. CoRR Sören Bartels, Alex Kaltenbach
2024	J	`jnl`	Finite Element Discretization of the Steady, Generalized Navier-Stokes Equations with Inhomogeneous Dirichlet Boundary Conditions. SIAM J. Numer. Anal. Julius Jeßberger, Alex Kaltenbach
2024	J	`jnl`	Finite element discretization of the steady, generalized Navier-Stokes equations for small shear stress exponents. CoRR Alex Kaltenbach, Julius Jeßberger
2024	J	`jnl`	Note on quasi-optimal error estimates for the pressure for shear-thickening fluids. CoRR Alex Kaltenbach, Michael Ruzicka
2024	J	`jnl`	Variational problems with gradient constraints: CoRR Harbir Antil, Sören Bartels, Alex Kaltenbach, Rohit Khandelwal
2023	J	`jnl`	A Local Discontinuous Galerkin Approximation for the SIAM J. Numer. Anal. Alex Kaltenbach, Michael Ruzicka
2023	J	`jnl`	A Local Discontinuous Galerkin Approximation for the $\boldsymbol{p}$ -Navier-Stokes System, Part III: Convergence Rates for the Pressure. SIAM J. Numer. Anal. Alex Kaltenbach, Michael Ruzicka
2023	J	`jnl`	A Local Discontinuous Galerkin Approximation for the $\boldsymbol{{p}}$ -Navier-Stokes System, Part II: Convergence Rates for the Velocity. SIAM J. Numer. Anal. Alex Kaltenbach, Michael Ruzicka
2023	J	`jnl`	Error analysis for a Crouzeix-Raviart approximation of the obstacle problem. CoRR Sören Bartels, Alex Kaltenbach
2023	J	`jnl`	Error analysis for a Crouzeix-Raviart approximation of the variable exponent Dirichlet problem. CoRR Anna Kh. Balci, Alex Kaltenbach
2023	J	`jnl`	Error analysis for a finite element approximation of the steady p(·)-Navier-Stokes equations. CoRR Luigi C. Berselli, Alex Kaltenbach
2023	J	`jnl`	Explicit a posteriori error representation for variational problems and application to TV-minimization. CoRR Sören Bartels, Alex Kaltenbach
2023	J	`jnl`	Explicit and efficient error estimation for convex minimization problems. Math. Comput. Sören Bartels, Alex Kaltenbach
2023	J	`jnl`	Finite element discretization of the steady, generalized Navier-Stokes equations with inhomogeneous Dirichlet boundary conditions. CoRR Julius Jeßberger, Alex Kaltenbach
2023	J	`jnl`	On the L CoRR Pablo Alexei Gazca-Orozco, Alex Kaltenbach
2023	J	`jnl`	Quasi-optimal Discontinuous Galerkin discretisations of the p-Dirichlet problem. CoRR Jan Blechta, Pablo Alexei Gazca-Orozco, Alex Kaltenbach, Michael Ruzicka
2022	J	`jnl`	A Local Discontinuous Galerkin approximation for the p-Navier-Stokes system, Part I: Convergence analysis. CoRR Alex Kaltenbach, Michael Ruzicka
2022	J	`jnl`	A Local Discontinuous Galerkin approximation for the p-Navier-Stokes system, Part II: Convergence rates. CoRR Alex Kaltenbach, Michael Ruzicka
2022	J	`jnl`	A Local Discontinuous Galerkin approximation for the p-Navier-Stokes system, Part III: Convergence rates for the pressure. CoRR Alex Kaltenbach, Michael Ruzicka
2022	J	`jnl`	Analysis of a fully-discrete, non-conforming approximation of evolution equations and applications. CoRR Alex Kaltenbach, Michael Ruzicka
2022	J	`jnl`	Convergence analysis of a Local Discontinuous Galerkin approximation for nonlinear systems with Orlicz-structure. CoRR Alex Kaltenbach, Michael Ruzicka
2022	J	`jnl`	Error analysis for a Crouzeix-Raviart approximation of the p-Dirichlet problem. CoRR Alex Kaltenbach
2022	J	`jnl`	Error estimates for total-variation regularized minimization problems with singular dual solutions. CoRR Alex Kaltenbach, Sören Bartels
2022	J	`jnl`	Error estimates for total-variation regularized minimization problems with singular dual solutions. Numerische Mathematik Sören Bartels, Alex Kaltenbach
2022	J	`jnl`	Explicit and efficient error estimation for convex minimization problems. CoRR Sören Bartels, Alex Kaltenbach
2022	J	`jnl`	The Deep Ritz Method for Parametric p-Dirichlet Problems. CoRR Alex Kaltenbach, Marius Zeinhofer