期刊
CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS
卷 27, 期 4, 页码 421-437出版社
SPRINGER
DOI: 10.1007/s00526-006-0015-3
关键词
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We prove new lower bounds for the energy of sign changing solutions of two different types of autonomous superlinear equations on R-N. These bounds increase the energy range for which Palais-Smale sequences of related variational problems have a nontrivial weak limit. The results are obtained by transforming sign changing solutions of low energy into a convenient form and then applying different variants of the moving plane method.
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