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2022.7.22
2022.7.22
Lecture on "Multi-dimensional Backward Stochastic Differential Equations of Diagonally Quadratic Generators: the General Result"
Speaker: Fan Shengjun, Professor and doctoral supervisor of the School of Mathematics, China University of Mining and Technology.Date: Friday, July 22, 2022Time: 9.30-10:30Location: Tencent MeetingSponsor: School of Mathematics, Shandong UniversityAbstract: This talk is devoted to a general solvability of a multi-dimensional backward stochastic differential equation (BSDE) of a diagonally quadr...
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2022.7.19
2022.7.19
Lecture on "Machine Learning High-dimensional Volatilities over Large Financial Systems"
Speaker：Ning Ning, Dctor, Department of Statistics and Applied Probability, UCSBDate:July. 19, 2022Time:09:30-11:30Location:Tencent Meeting,ID：873 393 528Sponsor:Research Center for Mathematics and Interdisciplinary SciencesResearch Center for Nonlinear ExpectationAbstract:Large financial systems are typically modeled by interacting particle systems (IPS) that are nonlinear stochastic process...
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2022.7.6
2022.7.6
Lecture on "Necessary and Sufficient Conditions to Solve Parabolic Anderson Model with Rough Noise"
Speaker:Wang Xiong, Dctor, University of AlbertaDate:July. 6, 2022Time:9:30-11:30Location:Tencent Meeting,ID：713 635 577Sponsor:Research Center for Mathematics and Interdisciplinary SciencesResearch Center for Nonlinear ExpectationAbstract:We obtain necessary and sufficient conditions for the existence of $n$-th chaos of the solution to the parabolic Anderson model $\frac{\partial}{\partial t}...
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2022.7.5
2022.7.5
Lecture on "On Sampling Continuous-Time AWGN Channels"
Speaker:Han Guangyue, Department of Mathematics, the University of Hong KongDate:July. 5, 2022Time:10:00-12:00Location:Tencent Meeting,ID：126 759 928Sponsor:Research Center for Mathematics and Interdisciplinary SciencesResearch Center for Nonlinear ExpectationAbstract:For a continuous-time additive white Gaussian noise (AWGN) channel with possible feedback, it has been shown that as sampling g...
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2022.6.22
2022.6.22
Lecture on "Arboricity and Partition"
Speaker: Wang Weifan, distinguished professor, doctoral supervisor, Zhejiang Normal UniversityDate: Wednesday, June 22, 2022Time: 9:00-10:00Location: Tencent MeetingSponsor: School of Mathematics, Shandong UniversityAbstract:For a positive integer n, the linear n-arboricity of a graph G is the least number k such that G can be edge-partitioned into k forests, whose component trees are paths of ...
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2022.6.15
2022.6.15
Lecture on “Bisections of Graphs Without Complete Bipartite Graphs”
Speaker: Hou Jianfeng, professor, doctoral supervisorDate: Wednesday, June 15, 2022Time: 9:00-10:00Location: Tencent MeetingSponsor: School of Mathematics, Shandong UniversityAbstract:A bisection of a graph is a bipartition of its vertex set in which the two classes differ in size by at most one. For a random bisection of a graph with m edges, one expects m/4 edges spans in one vertex class. Bo...
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2022.6.13
2022.6.13
Lecture on "Results and Questions on Linkage of Graphs"
Speaker: Yu Gexin, professor, College of William and Mary, the US.Date: Monday, June 13, 2022Time: 9:00-10:00Location: Tencent MeetingSponsor: School of Mathematics, Shandong UniversityAbstract:A graph G is k-linked if for any vertices x_1,…,x_k ,y_1,…,y_k in G, we can find disjoint paths P_1,…,P_k so that P_i has endpoints x_i and y_i for each i. Graph linkage is a very important tool to st...
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Lecture on "Geometric and spectral theory of signed graphs"
Speaker：Zeng Qiang, Assistant Professor, Faculty of Mathematics, University of MacauDate: June. 1, 2022 Time: 19:30-20:30Location: Tecent Meeting, ID:752 465 434Sponsor: School of Mathmatics, Shandong UniversityAbstract:A signed graph is a graph whose edges are labelled by a signature. It serves as a simple model of discrete vector bundle. The fundamental ideas of balance and switching of sign...
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