We study a problem involving the operators -Delta + W and its p-homogeneous version -Delta(p) + V. The existence of three non-negative solutions is obtained under indefinite type conditions on these operators. To this aim, we proceed by minimization of the energy functional on open parts of the Nehari manifold. (C) 2011 Elsevier Inc. All rights reserved.
机构:
Xinyang Normal Univ, Sch Math & Stat, Xinyang 464000, Henan, Peoples R ChinaXinyang Normal Univ, Sch Math & Stat, Xinyang 464000, Henan, Peoples R China
Wang, Pengyan
Chen, Wenxiong
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机构:
Yeshiva Univ, Dept Math Sci, New York, NY 10033 USAXinyang Normal Univ, Sch Math & Stat, Xinyang 464000, Henan, Peoples R China
机构:
Univ Roma La Sapienza, Dipartimento Metodi & Modelli Matemat Sci Applica, I-00161 Rome, ItalyUniv Roma La Sapienza, Dipartimento Metodi & Modelli Matemat Sci Applica, I-00161 Rome, Italy