A small time large deviation principle for stochastic differential delay equations

In this paper, we prove a small time large deviation principle for a type of stochastic differential delay equations. The key point is to translate small time asymptotic behavior problems into Freidlin–Wentzell type large deviation problems. The weak convergence method plays an important role in obt...

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Veröffentlicht in:Applied mathematics letters 2023-09, Vol.143, p.108662, Article 108662
Hauptverfasser: Yang, Juan, Xiang, Ziqiang, Zhai, Jianliang
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Sprache:eng
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Zusammenfassung:In this paper, we prove a small time large deviation principle for a type of stochastic differential delay equations. The key point is to translate small time asymptotic behavior problems into Freidlin–Wentzell type large deviation problems. The weak convergence method plays an important role in obtaining the large deviation principle.
ISSN:0893-9659
1873-5452
DOI:10.1016/j.aml.2023.108662