2 papers
math.AP2025
Wave breaking for the nonlinear variational wave equation
Sondre Tesdal Galtung, Katrin Grunert
Following conservative solutions of the nonlinear variational wave equation along forward and backward characteristics, we identify criteria, which guara…
math.NA2024
Rate of convergence for numerical -dissipative solutions of the Hunter-Saxton equation
Thomas Christiansen, Katrin Grunert
We prove that -dissipative solutions to the Cauchy problem of the Hunter-Saxton equation, where , can be computed numerically with order…