Displaying similar documents to “Periodic boundary value problem in Hilbert space for differential equation of second order with reflection of the argument”

A periodic boundary value problem in Hilbert space

Boris Rudolf (1994)

Mathematica Bohemica

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In the paper some existence results for periodic boundary value problems for the ordinary differential equation of the second order in a Hilbert space are given. Under some auxiliary assumptions the set of solutions is compact and connected or it is convex.