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2篇 您的检索式:作者名="Michael Filippakis"
    题名 作者 年代 出处 被引量
1SEMILINEAR HEMIVARIATIONAL INEQUALITIES WITH STRONG RESONANCE AT INFINITY显示文摘A semilinear elliptic equation with strong resonance at infinity and with a nonsmooth potential is studied. Using nonsmooth critical point theory and developing some abstract minimax principles which complement and extend results in the literature, two results on existence are obtained.Michael Filippakis Leszek Gasi■ski Nikolaos S.Papageorgiou 2006Acta Mathematica Scientia2006,26,1:0
2Existence Theorems for Periodic Differential Inclusions in IR^N显示文摘We study the periodic problem for differential inclusions in R^N. First we look for extremal periodic solutions. Using techniques from multivalued analysis and a fixed point argument we establish an existence theorem under some general hypotheses. We also consider the 'nonconvex periodic problem' under lower semicontinuity hypotheses, and the 'convex periodic problem' under general upper semicontinuity hypotheseson the multivalued vector field. For both problems, we prove existence theorems under very general hypotheses. Our approach extends existing results in the literature and appear to be the most general results on the nonconvex periodic problem.Michael Filippakis Leszek Gasinski Nikolaos S.Papageorgiou 2004Acta Mathematicae Applicatae Sinica2004,20,2:0
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