3 papers
math.AP2026
Energy-variational solutions for geodynamical two-phase flows -- From logarithmic to double-obstacle potentials by variational convergence
Fan Cheng, Robert Lasarzik, Marita Thomas
In [Cheng, Lasarzik, Thomas 2025 ARXIV-Preprint 2509.25508], we studied a Cahn--Hilliard two-phase model describing the flow of two viscoelastoplastic fluids in the framework of di…
math.AP2026
Plastic limit of a viscoplastic Burgers equation -- A toy model for sea-ice dynamics
Xin Liu, Marita Thomas, Edriss S. Titi
We study the plastic Burgers equation in one space dimension, i.e., the Burgers equation featuring an additional term formally given by the p-Laplacian with p=1, or rather, by the…
math.AP2025
Analysis of a Cahn--Hilliard model for viscoelastoplastic two-phase flows
Fan Cheng, Robert Lasarzik, Marita Thomas
We study a Cahn--Hilliard two-phase model describing the flow of two viscoelastoplastic fluids, which arises in geodynamics. A phase-field variable indicates the proportional distr…