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“Two Nontrivial Critical Points for Nonsmooth Functionals via Local Linking and Applications”

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Abstract

In this paper, we extend to nonsmooth locally Lipschitz functionals the multiplicity result of Brezis–Nirenberg (Communication Pure Applied Mathematics and 44 (1991)) based on a local linking condition. Our approach is based on the nonsmooth critical point theory for locally Lipschitz functions which uses the Clarke subdifferential. We present two applications. This first concerns periodic systems driven by the ordinary vector p-Laplacian. The second concerns elliptic equations at resonance driven by the partial p-Laplacian with Dirichlet boundary condition. In both cases the potential function is nonsmooth, locally Lipschitz.

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Authors and Affiliations

  1. Department of Mathematics, Technical University of Crete, Chania, Crete, 73100, Greece

    Dimitrios Kandilakis

  2. Department of Applied Mathematics, University of Crete, Herakleion, Crete, 71409, Greece

    Nikolaos C. Kourogenis

  3. Department of Mathematics, National Technical University, Zografou Campus, Athens, 15780, Greece

    Nikolaos S. Papageorgiou

Authors
  1. Dimitrios Kandilakis
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  2. Nikolaos C. Kourogenis
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  3. Nikolaos S. Papageorgiou
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Correspondence to Nikolaos S. Papageorgiou.

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Kandilakis, D., Kourogenis, N.C. & Papageorgiou, N.S. “Two Nontrivial Critical Points for Nonsmooth Functionals via Local Linking and Applications”. J Glob Optim 34, 219–244 (2006). https://doi.org/10.1007/s10898-005-3884-7

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  • DOI: https://doi.org/10.1007/s10898-005-3884-7

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