Hostname: page-component-848d4c4894-hfldf Total loading time: 0 Render date: 2024-05-01T17:18:08.278Z Has data issue: false hasContentIssue false

The critical Fujita number for a semilinear heat equation in exterior domains with homogeneous Neumann boundary values

Published online by Cambridge University Press:  11 July 2007

H. A. Levine
Affiliation:
Department of Mathematics, Iowa State University, Ames, IA 50011, USA
Q. S. Zhang
Affiliation:
Department of Mathematical Sciences, University of Memphis, Memphis, TN 38152-6429, USA

Abstract

Let D be a domain in Rn with bounded complement and let n ≠ 2. For the initial-boundary value problem we prove that there are no non-trivial global (non-negative) solutions if 0 < n (p − 1) ≤ 2 and there exist both global non-trivial and non-global solutions if n (p − 1) > 2.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 2000

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)