
doi: 10.1155/2014/816490
Three periodic solutions with prescribed wavelength for a class of semilinear fourth-order differential inclusions are obtained by using a nonsmooth version critical point theorem. Some results of previous related literature are extended.
QA1-939, Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces, Periodic solutions to ordinary differential equations, Mathematics, Ordinary differential inclusions
QA1-939, Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces, Periodic solutions to ordinary differential equations, Mathematics, Ordinary differential inclusions
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