04

2018-12

Asymptotically Constant Risk Estimator of Long-run Variance in Time Series

题目:  AsymptoticallyConstant Risk Estimator of Long-run Variance in Time Series 报告人：Professor Chun-Yip Yau, The ChineseUniversity of Hong Kong 时间： 2018年12月11日（周二）15:00 地点：浙江大学工商管理楼200-9 摘要：Estimation oflong-run variance is important for inference, however, estimating itnon-parametrically in time series is difficult because its performance relieson the ability of ...

04

2018-12

Resonance identities of closed orbits in Hamiltonian dynamics and applications

题  目：Resonance identities of closed orbits in Hamiltonian dynamics andapplications 报告人：刘会 副教授（武汉大学） 时  间：2018年12月11日10：00―11：00 地  点：工商楼200-9 摘  要：Resonance identities of closed orbits in Hamiltonian dynamics arepowerful tools to study the multiplicity and stability problems of closedorbits. In recent years, we have established some new reson...

04

2018-12

组合编码学系列讲座

Title: Ivy: a new code-based IND-CCA secure public key scheme Speaker: Professor Liping Wang (中科院信工所， CAS) Time: 8:00-10:00am, Dec 8, 2018 Venue: 105, Sir Run-Run Shaw Business Building Abstract: In this paper, we propose a new IND-CPA-secure public-key encryption (PKE for short) scheme，I.e., Ivy,  which is based on hardness of rank syndrome decoding problem.  Then applying ...

04

2018-12

沿曲线的Hilbert变换的有界性

Title:  沿曲线的Hilbert变换的有界性Speaker:  Professor .  LI，Junfeng（北京师范大学数学科学学院） Time:  2018-12-8, 10:00-11:00Location:  200-9， Sir Shaw Run Run Business Administration building,School of Mathematical Sciences, Yuquan CampusAbstract: 我们将讨论两类沿一般曲线的Hilbert变换的有界性。一类是带可测函数系数的一般曲线上的Hilbert变换的有界性，一类是带多项式系...

04

2018-12

几何分析学术讲座（六）

Title:  Constant scalar curvature Kahler metrics withcone singularities Speaker:  Kai Zheng (Tongji University) Time:  10:30 am―11:30 am, December07, 2018 Location:  Room 105, Sir Shaw Run Run BusinessAdministration building,School of Mathematical Sciences, Yuquan Campus Abstract:  I would present the recent progress in thestudy of constant scalar curvature Kahler metric...

03

2018-12

Tubular Tilting Objects in the Stable Category of Vector Bundles

报告人：林亚南 教授（厦门大学）报告时间：2018年12月6日下午16:00开始报告地点：玉泉校区工商楼200-9报告题目：Tubular Tilting Objects in the Stable Category of Vector Bundles摘要:  In the talk, we focuses on the study of the stable category of vector bundles for the weighted projective lines of weight triple. We will show some important triangles in this category and use them to construct tilting...

30

2018-11

General volumes in the Orlicz|Brunn|Minkowski theory and a related Minkowski problem

Title: General volumes in the Orlicz|Brunn|Minkowski theory and a related Minkowski problemSpeaker：Professor Deping Ye (Memorial University of Newfoundland, CANADA)Time: 10:30-11:30 Dec. 18, 2018 (Tuesday)Location: 200-9 Sir Run Run Shaw Business Administration buildingAbstract: In this talk, I will present our new contributions to Minkowski type problems. In particular, I will first discuss the ...

29

2018-11

On the Fourier Transform of Signals on Graph（二）

题目: On the Fourier Transform of Signals on Graph 报告人：杨力华（中山大学教授） 地点：工商管理楼200-9 时间：2018年12月8号下午4:30-5:30 摘要:The definition of the graph Fourier transform (GFT) is a fundamental issue in graph signal processing. Conventional GFT is defined as the eigenvectors of the graph Laplacian matrix, which minimize the signal variation in the l2 norm. Based on the l1 norm sig...

29

2018-11

On the Fourier Transform of Signals on Graph（一）

题目: On the Fourier Transform of Signals on Graph 报告人：杨力华（中山大学教授） 地点：工商管理楼200-9 时间：2018年12月7号下午2：30-4：30 摘要:The definition of the graph Fourier transform (GFT) is a fundamental issue in graph signal processing. Conventional GFT is defined as the eigenvectors of the graph Laplacian matrix, which minimize the signal variation in the l2 norm. Based on the l1 nor...

26

2018-11

On u-deformed Kottwitz's involution modules

Title: On u-deformed Kottwitz's involution modules报告人：胡峻 教授时间：2018年11月28日（周三）下午4:00地点：玉泉校区工商楼105摘要: Let (W,S) be a Coxeter system and $/ast$ an automorphism of W with order $/leq 2$ and $S^{/ast}=S$.Lusztig and Vogan have introduced a u-deformed version $M_u$ of Kottwitz's involution module over the Iwahori--Hecke algebra $H_{u}(W)$ with Hecke parameter $u^2...

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