Non-Self-Similar Dead-Core Rate for the Fast Diffusion Equation with Dependent Coefficient

Author:

Zhu Liping1,Zhang Zhengce2ORCID

Affiliation:

1. College of Science, Xi’an University of Architecture & Technology, Xi’an 710054, China

2. School of Mathematics and Statistics, Xi’an Jiaotong University, Xi’an 710049, China

Abstract

We consider the dead-core problem for the fast diffusion equation with spatially dependent coefficient and show that the temporal dead-core rate is non-self-similar. The proof is based on the standard compactness arguments with the uniqueness of the self-similar solutions and the precise estimates on the single-point final dead-core profile.

Funder

National Natural Science Foundation of China

Publisher

Hindawi Limited

Subject

Applied Mathematics,Analysis

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