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math.AP2026
Improved weak-strong uniqueness for general cross-diffusion systems
Noah Geltner, Maria Heitzinger, Ansgar Jüngel
The weak-strong uniqueness of bounded solutions is established for a broad class of cross-diffusion systems, with or without volume-filling effects, and with or without full coerci…
math.AP2025
Weak-strong uniqueness for general cross-diffusion systems with volume filling
Maria Heitzinger, Ansgar Jüngel
The weak-strong uniqueness of solutions to a broad class of cross-diffusion systems with volume filling is established. In general, the diffusion matrices are neither symmetric nor…