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Wellposedness of Viscosity Solutions to Weakly Coupled HJB Equations Under Hölder continuous conditions

We establish the existence and uniqueness of viscosity solutions to the weakly coupled second-order parabolic Hamilton–Jacobi–Bellman equations under Hölder continuous condition, for which the standard quasi-monotone condition does not hold. The existence theorem is established by solving the finite...

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Bibliographic Details
Published in:Applied mathematics & optimization 2023-04, Vol.87 (2), p.31, Article 31
Main Authors: Li, Jianrui, Shao, Jinghai
Format: Article
Language:English
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Summary:We establish the existence and uniqueness of viscosity solutions to the weakly coupled second-order parabolic Hamilton–Jacobi–Bellman equations under Hölder continuous condition, for which the standard quasi-monotone condition does not hold. The existence theorem is established by solving the finite horizon optimal control problem for regime-switching stochastic processes with Hölder continuous coefficients such as the Cox–Ingersoll–Ross process. A comparison principle for this weakly coupled system without state constraint is established.
ISSN:0095-4616
1432-0606
DOI:10.1007/s00245-022-09946-0