2006/68/1-2 (4) — DOI: 10.5486/PMD.2006.3057 — pp. 37-62
Full Text Abstract

Nonlinear periodic problems with nonsmooth potential restricted in one direction

Authors: Michael Filippakis, Leszek Gasiński and Nikolaos S. Papageorgiou

Keywords: periodic problem, nonsmooth potential, locally Lipschitz function, subdifferential, nonsmooth critical point theory, linking sets, minimax principle

Mathematics Subject Classification: 34C25, 34B15