Seminar "Numerical Analysis in Leipzig and Berlin" (NA-LaB)

Prof. Dr. Carsten Carstensen (Humboldt-Universität zu Berlin)
Jun.-Prof. Dr. Mira Schedensack (Universität Leipzig)

SS 2025

The seminar will take place in Jena on 21. and 22. August 2025 in room 3517 in Ernst-Abbe-Platz 2 in the fifth floor. The preliminary program is

Th, 21.08.2025
16:15-17:00 Carsten Carstensen (HU Berlin) Computation of plates
17:00-17:30 Florian Schneider (U Leipzig) An investigation of comparison results under high contrast
Fr, 22.08.2025
09:00-09:45 Mira Schedensack (U Leipzig) A posteriori analysis of two fourth-order problems
09:45-10:15 Lara Théallier (HU Berlin) General convergence results for non-conforming schemes
10:15-10:45 Shuo Yang (HU Berlin) A posteriori error estimates for fully discrete finite element method for the incompressible Navier-Stokes equations
10:45-11:00 coffee break
11:00-11:45 Neela Nataraj (IIT Bombay) Lowest-order nonstandard FEM for Extended Fisher Kolmogorov Equations
11:45-12:15 Tim Stiebert (HU Berlin) Old and new methods on guaranteed Schrödinger eigenvalue localisation
10:45-11:00 coffee break
12:30-13:15 Johannes Storn (U Leipzig) Medius analysis for the p-Laplacian

SS 2024

The seminar will take place in Berlin on 06. August 2024 in room 2.417, Rudower Chaussee 25. The preliminary program is

11:00-11:45 Johannes Storn (U Leipzig) Exact integration for rational finite elements including singular Zienkiewicz and Guzman-Neilan
11:45-13:15 Carsten Carstensen (HU Berlin) Adaptive Least-Squares Methods
13:15-13:45 lunch break
13:45-15:15 Mira Schedensack (U Leipzig) Robust discretizations of the Reissner-Mindlin plate
15:15-16:00 Rekha Khot (INRIA Paris) Conforming VEM for Poissone Forward and Inverse Source Problems with Rough Data
16:00-16:30 coffee break
16:30-17:15 Jonas Ketteler (U Leipzig) Mixed FEM for the fourth order equation
17:15-18:00 Benedikt Gräßle (HU Berlin) A posteriori nonconforming finite element error analysis for fourth-order problems with quadratic semilinearity
18:00-18:30 Tim Stiebert (HU Berlin) Guaranteed lower eigenvalue bounds for the Schrödinger eigenvalue problem

SS 2023

The seminar will take place in Leipzig on 06. and 07. July 2023. The talks on thursday, 06. July, are in room A314, the talks on friday, 07. July, in room A520. Both rooms are in the "Neues Augusteum" at the Augustusplatz in Leipzig. The preliminary program is

Thursday, 06. July (in room A314)
15:00-16:30 Mira Schedensack (U Leipzig) Discrete Helmholtz decompositions
16:30-18:00 Lara Théallier (HU Berlin) HHO for linear elasticity
Friday, 07. July (in room A520)
09:00-10:30 Benedikt Gräßle (HU Berlin) Stabilization-free a posteriori error analysis for hybrid-high order methods
10:30-12:00 Jonas Ketteler (U Leipzig) Some ideas for the quasi-orthogonality for the Fortin-Soulie FEM
12:00-13:30 Carsten Carstensen (HU Berlin) Lower eigenvalue bounds of the Laplacian

SS 2022

The first seminar in the "Numerical Analysis in Leipzig and Berlin" series took place at the Humboldt-Universität zu Berlin on 22.07.2022 i in room 2.417, RUD 25 with the following program

11:00-12:30 Ornela Mulita (HU Berlin) Optimal convergence rates for adaptive lowest-order nonconforming FEM for m-harmonic problems and m=1,2
12:30-14:00 Mira Schedensack (U Leipzig) A discrete Helmholtz decomposition of piecewise affine functions
14:00-14:45 lunch break
14:45-16:15 Ngoc Tien Tran (U Jena) Convergent adaptive hybrid higher-order schemes for convex minimization
16:15-16:45 coffee break
16:45-18:15 Jonas Ketteler (U Leipzig) Mixed FEM for Biharmonic Equation and Gradient Elasticity
18:15-19:45 Philipp Bringmann (HU Berlin) Discontinuous least-squares finite element method - A priori error analysis