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On the structure of the set of bifurcation points of periodic solutions for multiparameter Hamiltonian systems
This paper deals with periodic solutions of the Hamilton equation , where and is a parameter. Theorems on global bifurcation of solutions with periods , , from a stationary point are proved. can be singular. However, it is assumed that the local topological degree of ∇xH(·, λ0) at x0 is …