Fall 2021 and Spring 2022 Analysis Seminars

Fall 2019 and Spring 2020 Analysis Seminar Series

The seminar will meet Tuesdays, 4:00 p.m. in VV B139, unless otherwise indicated.

If you wish to invite a speaker please contact Brian at street(at)math

Analysis Seminar Schedule

date	speaker	institution	title	host(s)
Sept 10	José Madrid	UCLA	On the regularity of maximal operators on Sobolev Spaces	Andreas, David
Sept 13 (Friday, B139)	Yakun Xi	University of Rochester	Distance sets on Riemannian surfaces and microlocal decoupling inequalities	Shaoming
Sept 17	Joris Roos	UW Madison	L^p improving estimates for maximal spherical averages	Brian
Sept 20 (2:25 PM Friday)	Xiaojun Huang	Rutgers University–New Brunswick	A generalized Kerner theorem and hyperbolic metrics on Stein spaces with compact spherical boundaries	Xianghong
Sept 24	Person	Institution	Title	Sponsor
Oct 1	Xiaocheng Li	UW Madison	Title	Simon
Oct 8	Jeff Galkowski	Northeastern University	Title	Betsy
Oct 15	David Beltran	UW Madison	Title	Brian
Oct 22	Laurent Stolovitch	University of Nice Sophia-Antipolis	Title	Xianghong
Wednesday Oct 23 in B129	Dominique Kemp	Indiana University	tbd	Betsy
Oct 29	Bingyang Hu	UW Madison	Title	Street
Nov 5	Kevin O'Neill	UC Davis	Title	Betsy
Nov 12	Francesco di Plinio	Washington University in St. Louis	Title	Shaoming
Nov 19	Person	Institution	Title	Sponsor
Nov 26	No Seminar
Dec 3	Person	Institution	Title	Sponsor
Dec 10	No Seminar
Jan 21	No Seminar
Jan 28	Person	Institution	Title	Sponsor
Feb 4	Person	Institution	Title	Sponsor
Feb 11	Person	Institution	Title	Sponsor
Feb 18	Person	Institution	Title	Sponsor
Feb 25	Person	Institution	Title	Sponsor
Mar 3	Person	Institution	Title	Sponsor
Mar 10	Person	Institution	Title	Sponsor
Mar 17	Spring Break!
Mar 24	Oscar Dominguez	Universidad Complutense de Madrid	Title	Andreas
Mar 31	Person	Institution	Title	Sponsor
Apr 7	Reserved	Institution	Title	Street
Apr 14	Person	Institution	Title	Sponsor
Apr 21	Person	Institution	Title	Sponsor
Apr 28	No Seminar

Abstracts

José Madrid

Title: On the regularity of maximal operators on Sobolev Spaces

Abstract: In this talk, we will discuss the regularity properties (boundedness and continuity) of the classical and fractional maximal operators when these act on the Sobolev space W^{1,p}(\R^n). We will focus on the endpoint case p=1. We will talk about some recent results and current open problems.

Yakun Xi

Title: Distance sets on Riemannian surfaces and microlocal decoupling inequalities

Abstract: In this talk, we discuss the generalization of the Falconer distance problem to the Riemannian setting. In particular, we extend the recent result of Guth-Iosevich-Ou-Wang for the distance set in the plane to general Riemannian surfaces. The key new ingredient is a family of refined decoupling inequalities associated with phase functions that satisfy Carleson-Sj\”olin condition. This is joint work with Iosevich and Liu.

Xiaojun Huang

Title: A generalized Kerner theorem and hyperbolic metrics on Stein spaces with compact spherical boundaries

Abstract: This is a joint work with Ming Xiao. We discuss how to construct a hyperbolic metric over a Stein space with spherical boundary. The technique we use is to employ holomorphic continuation along curves for multiple valued functions.

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