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- W3010901788 abstract "The purpose of this paper is to study the existence and uniqueness of solutions to a Stochastic Differential Equation (SDE) coming from the eigenvalues of Wishart processes. The coordinates are non-negative, evolve as Cox-Ingersoll-Ross (CIR) processes and repulse each other according to a Coulombian like interaction force. We show the existence of strong and pathwise unique solutions to the system until the first multiple collision, and give a necessary and sufficient condition on the parameters of the SDE for this multiple collision not to occur in finite time." @default.
- W3010901788 created "2020-03-23" @default.
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- W3010901788 date "2020-03-20" @default.
- W3010901788 modified "2023-10-14" @default.
- W3010901788 title "Strong solutions to a beta-Wishart particle system" @default.
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