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    115周年校慶“學術華農”系列活動之0156:數信學院 學術報告:Random Attractors and Invariant Manifolds for SPDEs with fBm

    來源單位及審核人:編輯:審核發布:數學與信息學院 發布時間:2024-05-20

    報告人:曾才斌教授 華南理工大學

    時間:202452215:00-17:30

    地點:數學系205

    摘要:Different from Brownian motion, fractional Brownian motion (fBm) is neither Markovian nor a semi-martingale. Little seems to be known about the long-time behavior of systems with an fBm. In this respect, we shall report two recent results. First, we establish the existence of random attractors for SPDEs driven by rough path with H?lder index in (1/3, 1/2] by combining rough paths theory and stopping times analysis in a scale of interpolation spaces. Second, we analyze the Lu-Schmalfu? conjecture on the existence of stable manifolds for SPDEs with nonlinear multiplicative fractional noise. To this aim, we construct a function space in which the discretized Lyapunov-Perron-type operator has a unique fixed point. The two papers are written in collaboration with Qigui Yang, Xiaofang Lin and Alexandra Neam?u.

    報告人介紹:曾才斌,華南理工大學教授、博士生導師、統計與金融數學系副主任,研究方向為隨機微分動力系統,在JFA、JDE等學術期刊發表論文40余篇,主持承擔了2項國家自然科學基金面上項目、1項國家自然科學基金天元講習班項目、國家自然科學基金青年項目、5項省部級項目,先后學術訪問猶他州立大學、赫爾辛基大學、楊百翰大學,曾獲廣東省優秀博士學位論文稱號。

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