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Existence of mild solutions for certain delay semilinear evolution inclusion with nonlocal conditions. (English) Zbl 0974.34076

The existence of mild solutions is proven for the first-order delay semilinear evolution inclusion with nonlocal condition \[ y'-A(t)y \in F \biggl(t,y \bigl(\sigma(t) \bigr)\biggr),\;t\in J=[0,b], \quad y(0)+ f(y)=y_0, \] in a real Banach space \(E\). \(A(t)\) is the infinitesimal generator of a linear semigroup; \(F:J\times E\to 2^E\) is strongly measurable in \(t\), upper semicontinuous in \(y\) and bounded-closed-convex-valued; \(\sigma:J\to J\) is continuous and satisfies \(\sigma(t)\leq t\) for all \(t\in J\); \(f:C(J,E)\to E\) is continuous and bounded; and \(y_0\in E\). The result is proven by applying a fixed-point theorem due to M. Martelli [Boll. Unione Mat. Ital. (4), 11, Suppl. Fasc., No. 3, 70-76 (1975; Zbl 0314.47035)].

MSC:

34K30 Functional-differential equations in abstract spaces
34G25 Evolution inclusions
34A12 Initial value problems, existence, uniqueness, continuous dependence and continuation of solutions to ordinary differential equations
47H20 Semigroups of nonlinear operators
34A60 Ordinary differential inclusions
34G20 Nonlinear differential equations in abstract spaces
35R10 Partial functional-differential equations

Citations:

Zbl 0314.47035