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Inverse Problems and Analysis

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Want to suggest a speaker? Send an email to Mahya Ghandehari.

Seminars will be held on Wednesdays from 1:30pm - 2:30pm in Ewing 336. 

Information about the Courtyard Newark - University of Delaware Hotel​

 

 

Dr. Murat Akman, University of Connecticut Dr. Murat Akman, University of Connecticut EWG 336<br> Title: Perturbations of elliptic operators on domains with non-smooth boundaries <br><br> Abstract: In this talk, we study perturbations of elliptic operators on domains with rough boundaries. In particular, we focus on the following problem: suppose that we have ``good estimates'' for the Dirichlet problem for a uniformly elliptic operator $L_0$, under what optimal conditions, are those good estimates transferred to the Dirichlet problem for uniformly elliptic operator L which is a ``perturbation'' of L_0? <br> We prove that if discrepancy between L_0 and L satisfies certain smallness assumption then the elliptic measure corresponding to L is in the reverse H{\"o}lder class with exponent 2 with respect to the elliptic measure corresponding to $L_0$ when the domain is 1-sided NTA satisfying the capacity density condition (CDC). <br> This is a joint work in progress with Steve Hofmann, Jose Maria Martell, and Tatiana Toro.10/24/2018 5:30:00 PM10/24/2018 6:30:00 PMFalse
Prof. Volker Runde, University of Alberta Prof. Volker Runde, University of AlbertaEWG 336Title: What is amenability - from the Banach-Tarski paradox to Banach algebras <br><br> Abstract: We give a survey of how the notion of amenability emerged from John von Neumann's work on measure theory, and how it moved from there to abstract harmonic analysis, Banach and operator algebras.11/14/2018 6:30:00 PM11/14/2018 7:30:00 PMFalse
Prof. Lixin Shen, Syracuse UniversityProf. Lixin Shen, Syracuse UniversityEWG336<br> Title: TBA<br><br>Description: TBA12/5/2018 6:30:00 PM12/5/2018 7:30:00 PMFalse

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