On a nonlinear Volterra integral equation in a Banach space |
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Authors: | Gustaf Gripenberg |
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Affiliation: | Institute of Mathematics, Helsinki University of Technology, SF-02150 Espoo 15, Finland |
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Abstract: | The equation u(t) + ∝0tk(t ? s)g(s) ds?f(t), t ? 0, is studied in a real Banach space with uniformly convex dual. Conditions, sufficient for the existence of a unique solution, are given for the operatorvalued kernel k, the nonlinear m-accretive operators g(t) and the function f. The case when k is realvalued, g(t) ≡ g and X a reflexive Banach space is also considered. These results extend earlier results by Barbu, Londen and MacCamy. |
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