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Mosc. Math. J., 2024 Volume 24, Number 3, Pages 357–371 (Mi mmj887)

The absence of global weak solutions for a quasilinear parabolic differential inequality in exterior domain

Wentao Huoa, Suping Xiaob, Zhong Bo Fanga

a School of Mathematical Sciences, Ocean University of China, Qingdao 266100, P.R. China
b School of Mathematical and Computer Science, Shanxi Normal University, Taiyuan 03000, P.R. China

Abstract: This paper is concerned with the absence of nontrivial nonnegative global weak solutions for a quasilinear parabolic differential inequality in the higher dimensional space ($N\geq2$). Assuming that the non-homogeneous Dirichlet boundary condition relies on both time and space, we derive a criterion of the absence which depends on the effects of quasilinear diffusion and the behavior of time-varying coefficient precisely.

Key words and phrases: quasilinear parabolic differential inequality, exterior problem, non-homogeneous Dirichlet boundary condition, nonexistence.

MSC: 35B53, 35K59, 35K15

Language: English

DOI: 10.17323/1609-4514-2024-24-3-357-371



© Steklov Math. Inst. of RAS, 2026