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math.AP2026
Sharp decay characterization for the Oldroyd-B system with only velocity dissipation
Zhi Chen, Mingwen Fei, Lvqiao Liu +1
We study the incompressible Oldroyd-B system on , , in the regime in which the velocity is the only dissipated quantity: the stress tensor undergoes neither rel…
math.AP2026
Stabilizing effect of a background magnetic field on the 2D damped wave-type MHD equations
Zhi Chen, Mingwen Fei, Hongxia Lin +2
The stabilizing effect of a background magnetic field on electrically conducting fluids has been rigorously established for the standard MHD equations. This paper extends this theo…
math.AP2026
Sharp decay characterization for the incompressible Oldroyd-B model in critical spaces
Zhi Chen, Mingwen Fei, Lvqiao Liu +1
This paper establishes a sharp characterization of temporal decay rates for the incompressible Oldroyd-B model in a critical framework, covering the physically relevant and m…