Conference abstracts

Session B6 - Multiresolution and Adaptivity in Numerical PDEs

July 14, 16:00 ~ 16:25

Aposteriori error analysis for $hp$-discontinuous Galerkin discretizations of parabolic problems

Omar Lakkis

Free University of Bolzano-Bozen, Italy   -   olakkis@unibz.it

We consider fully discrete space--time approximations of abstract linear parabolic partial differential equations (PDEs) consisting of an $hp$-version discontinuous Galerkin time stepping scheme in conjunction with standard (conforming) Galerkin discretizations in space. We derive computable aposteriori error bounds in the $\operatorname L_\infty(\operatorname L_2)$- and $\operatorname L_2(\operatorname H^1_0)$-type norms based on a novel space-time reconstruction approach.

Joint work with Emmanuil H Georgoulis (University of Leicester, GB, and National Technical University of Athens, GR) and Thomas P Wihler (Universit├Ąt Bern, CH).

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