Nonconvex-valued differential inclusions in a separable Hilbert space
Hiroshi Tateishi · Proceedings of the Japan Academy Series A Mathematical Sciences · 1992
Nonconvex-valued Differential Inclusions 297 see Aubin-Frankowska [1] Chap.8.) Assumption 4.There exists M > 0 such that sup{ll y II: y / (t, x), x , t [0, T]} _ M. 3. Notations and lemmas.Let B (resp.B) be the closed ball in !(resp.(C)) with center at zero and radius MT (resp./14).Since both i and Y3 are real separable Hilbert spaces, the topology of the closed ball B (resp.