Bifurcation analysis for a modified quasilinear equation with negative exponent

Author:

Chen Siyu1,Santos Carlos Alberto2,Yang Minbo1,Zhou Jiazheng2

Affiliation:

1. Department of Mathematics , Zhejiang Normal University , Jinhua , Zhejiang, 321004 , People’s Republic of China

2. Departamento de Matemática , Universidade de Brasília , 70910-900 , Brasília , DF - Brasil

Abstract

AbstractIn this paper, we consider the following modified quasilinear problem:ΔuκuΔu2=λa(x)uα+b(x)uβinΩ,u>0inΩ,u=0onΩ,$$\begin{array}{} \left\{\begin{array}{c}\, -{\it\Delta} u-\kappa u{\it\Delta} u^2 = \lambda a(x)u^{-\alpha}+b(x)u^\beta \, \, in\, {\it\Omega}, \\\!\! u \gt 0 \, \, in\, {\it\Omega}, \, \, \, \, \, \, \, u = 0 \, \, on \, \partial{\it\Omega} , \\ \end{array}\right. \end{array} $$whereΩ⊂ ℝNis a smooth bounded domain,N≥ 3,a,bare two bounded continuous functions,α> 0, 1 <β≤ 22*− 1 andλ> 0 is a bifurcation parameter. We use the framework of analytic bifurcation theory to obtain an analytic global unbounded path of solutions to the problem. Moreover, we get the direction of solution curve at the asmptotic point.

Publisher

Walter de Gruyter GmbH

Subject

Analysis

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