A remark on least energy solutions in RN

Louis Jeanjean, Kazunaga Tanaka

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    We study a mountain pass characterization of least energy solutions of the following nonlinear scalar field equation in RN -δu = g(u), u ∈ H1(RN), where N ≥ 2. Without the assumption of the monotonicity of t → g(t)/t, we show that the mountain pass value gives the least energy level.

    Original languageEnglish
    Pages (from-to)2399-2408
    Number of pages10
    JournalProceedings of the American Mathematical Society
    Issue number8
    Publication statusPublished - 2003 Aug



    • Least energy solutions
    • Mountain pass theorem
    • Nonlinear elliptic equations in R

    ASJC Scopus subject areas

    • Mathematics(all)
    • Applied Mathematics

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