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Differential equations with set-valued solutions

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Ukrainian Mathematical Journal Aims and scope

We consider a special space of convex compact sets and introduce the notions of derivative and integral for a set-valued mapping that differ from those already known. We also consider a differential equation with set-valued right-hand side satisfying the Carathéodory conditions and prove theorems on the existence and uniqueness of its solutions. This approach, in contrast to the Kaleva approach, enables one to consider fuzzy differential equations as ordinary differential equations with set-valued solutions.

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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 60, No. 10, pp. 1326–1337, October, 2008.

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Komleva, T.A., Plotnikov, A.V. & Skripnik, N.V. Differential equations with set-valued solutions. Ukr Math J 60, 1540–1556 (2008). https://doi.org/10.1007/s11253-009-0150-z

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