Almost periodicity of solutions for almost periodic evolution equations
Almost periodicity of solutions for evolution equations in a Banach space is discussed. The concept of difference-variation equation is introduced. For a special Hilbert space, some results on almost periodicity of all solutions for evolution equations are established. In particular, Haraux's result on \(\mathbb R^2\) is extended to \(\mathbb R^n\).
scientific article; zbMATH DE number 5720815