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Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/F806B979-F871-4793-9429-49FDF8C8E0B0 | ||
| Year | 2006 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
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| Bibliographic Citation | ] D.A. Kandilakis, N. Kourogenis, N.S. Papageorgiou, "Two nontrivial critical points for nonsmooth functionals via local linking and applications," Journal of Global Optimization, vol. 34, no. 2, pp. 219-244, Feb. 2006. doi: 10.1007/s10898-005-3884-7 https://doi.org/10.1007/s10898-005-3884-7 | ||
| Appears in Collections |
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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