On solutions of stochastic differential equations with parameters modeled by random sets |
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Authors: | Bernhard Schmelzer |
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Affiliation: | Universität Innsbruck, Institut für Grundlagen der Bauingenieurwissenschaften, AB Technische Mathematik, A-6020 Innsbruck, Austria |
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Abstract: | We consider ordinary stochastic differential equations whose coefficients depend on parameters. After giving conditions under which the solution processes continuously depend on the parameters random compact sets are used to model the parameter uncertainty. This leads to continuous set-valued stochastic processes whose properties are investigated. Furthermore, we define analogues of first entrance times for set-valued processes called first entrance and inclusion times. The theoretical concept is applied to a simple example from mechanics. |
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Keywords: | Stochastic differential equation Random set Set-valued stochastic process First entrance time |
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