In this paper, we prove the existence of sign changing solutions and multiple solutions of a semilinear elliptic eigenvalue problem. One of the key points here is to construct nonempty invariant sets of the gradient flow which contain the positive and the negative solution of the problem. (C) 2010 Elsevier Ltd. All rights reserved.
机构:
Soochow Univ, Dept Math, Suzhou 215006, Peoples R ChinaSoochow Univ, Dept Math, Suzhou 215006, Peoples R China
Huang, Yisheng
Wu, Tsung-Fang
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Natl Kaohsiung Univ Appl Sci, Dept Appl Math, Kaohsiung 811, TaiwanSoochow Univ, Dept Math, Suzhou 215006, Peoples R China
Wu, Tsung-Fang
Wu, Yuanze
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Soochow Univ, Dept Math, Suzhou 215006, Peoples R China
China Univ Min & Technol, Coll Sci, Xuzhou 221116, Peoples R ChinaSoochow Univ, Dept Math, Suzhou 215006, Peoples R China