Presentation Name: | Discovering hierarchical structures in weighted graphs using Ricci-flow method |
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Presenter: | 林勇 教授 |
Date: | 2020-10-07 |
Location: | 腾讯会议ID: 156 770 416, 密码: 24680 |
Abstract: | We study the existence of solutions of Ricci flow equations of Ollivier-Lin-Lu-Yau curvature defined on weighted graphs. Our work is motivated by a paper of Ni etc. in which the discrete time Ricci flow algorithm has been applied successfully as a discrete geometric approach in detecting complex networks. Our main result is the existence and uniqueness theorem for solutions to a continuous time normalized Ricci flow on graphs. This is a joint work with Bai,Lu, Wang and Yau. |
Annual Speech Directory: | No.178 |
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