Abstract
In this paper, we establish a small time large deviation principle (small time asymptotics) for the dynamical Φ 41 model, which not only involves study of the space-time white noise with intensity \(\sqrt \varepsilon \), but also the investigation of the effect of the small (with ε) nonlinear drift.
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Acknowledgements
The authors would like to thank Rongchan Zhu for helpful discussions and also Peter Friz for pointing out [14] to us. We thank the referees for their time and comments, too.
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Research supported in part by NSFC (Grant No. 11771037); Financial supported by the DFG through the CRC 1283 “Taming uncertainty and profiting from randomness and low regularity in analysis, stochastics and their applications” is acknowledged
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Chen, B.G., Zhu, X.C. On the Small Time Asymptotics of the Dynamical Φ 41 Model. Acta. Math. Sin.-English Ser. 37, 436–446 (2021). https://doi.org/10.1007/s10114-020-9342-0
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DOI: https://doi.org/10.1007/s10114-020-9342-0