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09

2020-12

Recent results on the L2 decay and well-posedness of polymeric fluids

报告人：殷朝阳教授（中山大学）时间：2020年12月16日（星期三）上午10:30-11:30地点：腾讯会议：620899628 https://meeting.tencent.com/s/471iyX4hEOOB 欧阳楼314摘要：In this talk, we will talk about our recent results on the L2 decay, the Liouville theorem and well-posedness of the FENE dumbbell model and the Doi-Edward model of polymeric fluids, and s...

09

2020-12

Local smoothing for the wave equation in 2+1 dimensions

Speaker: 张瑞祥（School of Mathematics, Institute for Advanced Study）Time: 2020-12-15， 9:00-11:00Location: 腾讯会议： 577 608 897Abstract: Sogge's local smoothing conjecture for the wave equation predicts that the local L^p space-time estimate gains a fractional derivative of order almost 1/p compared to the fixed time L^p estimates, when p>2n/(n-1). Jointly with Larr...

09

2020-12

Survey on decoupling

Speaker: 王虹（Institute for Advanced Study）Abstract: In 2014, Bourgain and Demeter proved the $l^2$--decoupling conjecture for the paraboloid, which leads to many developments in harmonic analysis. We are going to discuss some ideas of decoupling and how people use them. Time: 2020-12-18，9:00-10:30Location: 腾讯会议： 635 165 490Contact Pe...

09

2020-12

Square function estimates and Local smoothing for Fourier Integral Operators

Speaker: 刘博辰（南方科技大学）Time: 2020-12-15，15:00-16:30Location: 腾讯会议： 156 225 668200-9， Sir Shaw Run Run Business Administration building,School of Mathematical Sciences, Yuquan CampusAbstract:Abstract: We discuss some recent progress on the local smoothing conjecture for FIOs. In particular, we prove a variable coefficient version of the square f...

09

2020-12

Unimodular Fourier Multipliers On Modulation Spaces

报告人：范大山 University of Wisconsin-Milwaukee报告时间： 2020年12月11日8:30-9:30报告地点：腾讯会议： 252 163 114 摘要: We will address several function spaces defined by decomposing either the frequency space, or the physical space. Particularly, we will discuss the Fourier multiplier on the modulation spaces.联系人: WANG Meng, (mathdreamcn@zju.edu.cn)

07

2020-12

Hyperbolic graphs induced by weighted iterated function systems

报告人：孔诗磊（德国比勒菲尔德大学）报告地点：工商楼200-9报告时间：12月9日上午10点半—11点半摘要：For an iterated function system (IFS) $\{S_j\}_{j=1}^N$ of contractive similitudes on $\mathbb{R}^d$, there is a well-known graph structure (augmented tree) X, which is (Gromov-)hyperbolic under the open set condition or some other circumstances. In this talk, we study the hyperboli...

07

2020-12

Hyperbolic Graph and IFS

报告人：王向阳教授（中山大学）报告地点：工商楼200-9报告时间：12月9日上午9点半—10点半摘要：For a contractive iterated function system (IFS), it is known that there is a natural hyperbolic graph structure (augmented tree) on the symbolic space of the IFS that reflects the relationship among neighboring cells, and its hyperbolic boundary with the Gromov metric is H\{o}lder equivalent to the attractor...

02

2020-12

Phase transition of eigenvector for spiked random matrices

02

2020-12

On pinning control of Boolean networks

01

2020-12

An application of a C^2-estimate for a complex Monge-Ampere equation

报告人: 李畅 (中科院)时间: 2:30pm—3:30pm, December 10, 2020 线上报告：腾讯会议ID: 667 998 489, 密码: 1210 摘要: By studying a complex Monge-Ampere equation, we present an alternate proof to a recent result of Chu-Lee-Tam concerning the projectivity of a compact Kahler manifold N with Ric_k < 0 for some integer k with 1 < k < n, and the ampleness of the canonical...

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