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学术报告

19-03-2021

调和分析学术报告-Discovering hierarchical structures in weighted graphs using Ricci-flow method-林勇

报告人:林勇教授(清华大学)

报告时间:2021年3月25日周四上午10:00-11:00

报告地点:腾讯会议ID:649 374 936

报告题目:Discovering hierarchical structures in weighted graphs using Ricci-flow method

报告摘要: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.

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