Seminars-Liu
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December 20-23, 2025
Yulin Gong(龚禹霖) from University of Bristol visited and talked in the Spectral geometry seminar on Observability and Semiclassical Control for Schrödinger Equations on Non-compact Covering Spaces of Compact Hyperbolic Surfaces.
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December 17-20, 2025
Yi Huang(黄益) from Nanjing Normal University visited and talked with the title Three Notes on Singularity Analysis.
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December 14-21, 2025
Shouda Wang(王首达) from Princeton University visited and delivered a mini-course on convex geometry, matroid theory and combinatorial Hodge theory.
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December 03-04, 2025
Jing Mao(毛井) from Hubei University visited and talked in the Spectral geometry seminar on Spectral isoperimetric inequalities for a class of mixed eigenvalue problems of the Laplacian on triangles and trapezoids.
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November 11-12, 2025
Bangxian Han(韩邦先) from Shandong University visited and talked on On the Structure of Busemann Spaces and Alexandrov Spaces.
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October 29-November 05, 2025
Chuanyuan Ge(葛川源) from Fuzhou University visited .
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October 12-November 22, 2025
Joe Thomas from Durham University visited, talked in the Spectral geometry seminar on Spectra of maximal abelian covers of graphs, co-organized “The Strong Convergence Month in USTC” the and delivered a mini-course on Optimal spectral gap of random hyperbolic surfaces.
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October 08-13, 2025
Norbert Peyerimhoff from Durham University visited and talked in the Spectral geometry seminar on On a new spectral invariant for finite graphs.
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September 20-26, 2025
Jinpeng Lu (卢金鹏) from University of Helsinki visited and talked in the Spectral geometry seminar on On the stability of Gel'fand's inverse spectral problem.
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August 26-September 03, 2025
Chuanyuan Ge(葛川源) from Fuzhou University visited .
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May 14-15, 2025
Bobo Hua(华波波) from Fudan University visited .
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May 13-14, 2025
Dong Zhang(张栋) from Peking University visited .
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March 17-April 15, 2025
Zhe You(游哲) from East China University of Science and Technology visited .
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July 01-06, 2024
Yongtao Liu (刘永涛) from Ningxia University visited and talked in the Spectral geometry seminar on First Robin eigenvalue comparison of the p-Laplacian under integral Ricci curvature.
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June 13-30, 2024
Yulin Gong (龚禹霖) from Tsinghua University visited and talked in the Spectral geometry seminar on Spectral Distribution of Twisted Laplacian on Typical Hyperbolic Surfaces of High Genus.
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May 14-16, 2024
Linlin Sun (孙林林) from Guangxi Normal University visited and talked in the Spectral geometry seminar on Some results related to the Kazdan-Warner equations
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June 13-30, 2023
Hongyi Cao (曹鸿艺) from Peking University visited and talked in the Spectral geometry seminar on Localization for quasi-periodic Schrodinger operators on \(\mathbb{Z}^d\) with \(C^2\)-cosine Like Potentials.
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May 31-April 02, 2023
Jun Sun(孙俊) from Wuhan University visited .
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March 10-13, 2023
Xiaobao Zhu(朱晓宝) from Renmin University of China visited .
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June, 2019
Florentin Muench from Max-Planck Institute for Mathematics in the Sciences visited and talked on Long time behavior of discrete Ollivier Ricci flow .
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October 29-November 01, 2018
Mengqiu Shao (邵梦秋) from Tsinghua University visited.
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September 4, 2018
Haitao Yan (严海涛) Reading seminar talk. Higher order Cheeger inequalities.
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April, 2018
Florentin Muench from Potsdam University visited and talked on Perpetual cutoff method and discrete Ricci curvature .
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March 28, 2018
Supanat Kamtue from Durham University talked with the title
Long-scale Olliver-Ricci curvature of graphs.
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December 20, 2017
Bangxian Han (韩邦先) from University of Bonn visited and talked with the title Characterizations of convex functions and monotone vector fields on metric measure space.
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October 31, 2017
Wilhelm Klingenberg from Durham University
visited and talked with the title Lagrangian surfaces in \(R^4\) and in \(TS^2\).
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October 18, 2017
Radoslaw Wojciechowski from City Unviersity of New York talked with the title The heat equation on graphs: stochastic incompleteness, the Feller property and uniform transience.
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June 13, 2017
Xu Xu (徐旭) from Wuhan University visited and talked with the title Rigidity of circle packings and sphere packings.
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March 05-18, 2017
David Cushing and Norbert Peyerimhoff from Durham University visited and talked in 3-10国家数学与交叉科学中心合肥分中心报告 and 3-8国家数学与交叉科学中心合肥分中心报告 with titles "Bakry-\'Emery curvature functions of graphs" and "Sectional curvature of polygonal complexes with planar substructures".
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December 29-30, 2016
Peter L. Guo (郭龙) from Nankai University (南开大学) visited and talked in GAP Seminar on "Some combinatorial structures involving Young tableaux "