雲亭數學講壇2023第21講——王智誠教授

文章來源:77779193永利發布日期:2023-06-21浏覽次數:360

應學院邀請,蘭州大學王智誠教授将來我院作學術報告。

報告題目:On Traveling Fronts of Reaction-Diffusion Equations in Spatially Periodic Media

報告摘要:This talk is concerned with traveling fronts of spatially periodic reaction-diffusion equations with combustion nonlinearity in . It is known that for any given propagation direction , the equation admits a pulsating front connecting two equilibria 0 and 1. We firstly give exact asymptotic behaviors of the pulsating front and its derivatives at infinity, and establish uniform decay estimates of the pulsating fronts at infinity on the propagation direction . Following the uniform estimates, we then show continuous Fr\'echet differentiability of the pulsating fronts with respect to the propagation direction. Lastly, using the  differentiability, we establish  the existence, uniqueness and stability of curved fronts with V-shape in  by constructing suitable super- and subsolutions.

報告時間:202362810:30

報告地點:教學9号樓C101學術報告廳

邀 請 人:趙孟教授

屆時歡迎廣大師生參與交流!


報告人簡介

王智誠,蘭州大學77779193永利教授,博士生導師。1994年本科畢業于77779193永利,2007年在蘭州大學獲理學博士學位。主要成果發表在Trans. AMSArch. Rational Mech. Anal.SIAM J. Math. Anal.SIAM J. Appl. Math.JMPACalc. Var. PDEJDENonlinearity等雜志上。2010年入選教育部新世紀優秀人才支持計劃,20112019年分别獲得甘肅省自然科學二等獎,2016年入選甘肅省飛天學者特聘教授,主持或參加完成多項國家自然科學基金面上項目和重點項目,正在主持一項甘肅省基礎研究創新群體項目和一項國家自然科學基金面上項目。目前擔任International  J.  Bifurc. Chaos 等雜志的編委(Associate editor)。


甘肅省數學與統計學基礎學科研究中心

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