@online{thein2025computing, title={{C}omputing Radially-Symmetric Solutions of the Ultra-Relativistic {E}uler Equations with Entropy-Stable Discontinuous {G}alerkin Methods}, author={Thein, Ferdinand and Ranocha, Hendrik}, year={2025}, month={09}, eprint={2508.21427}, eprinttype={arxiv}, eprintclass={math.NA} }