... CorporationBoundary Value ProblemsVolume 2010, Article ID 325415, 16 pagesdoi:10.1155/2010/325415 Research Article Variational Approach to Impulsive DifferentialEquations with Dirichlet Boundary ConditionsHuiwen ... aj bj|u|γj for any u ∈ Rj 1, 2, ,p. 3.33iii ht, u and Ijuj 1, 2, ,p are odd about u and limu →0ht, u/u 1 uniformly for t ∈ 0,T.Then, for any n ∈ N,thereexistsλnsuch ... limu →0ht, u/u 1 uniformly for t ∈ 0,T.iii ht, u and Ijuj 1, 2, ,p are odd about u andu0Ijsds ≤ 0 for any u ∈ R j 1, 2, ,p.Then, for any n ∈ N,thereexistsλnsuch...