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math.DG2023
The spectral rigidity of Ricci soliton and Einstein-type manifolds
Ping Li, Xiaomei Sun, Anqiang Zhu
We are concerned in this article with a classical topic in spectral geometry dating back to McKean-Singer, Patodi and Tanno: whether or not the constancy of sectional curvature (re…
cs.DS2023
Faster Algorithms for Generalized Mean Densest Subgraph Problem
Chenglin Fan, Ping Li, Hanyu Peng
The densest subgraph of a large graph usually refers to some subgraph with the highest average degree, which has been extended to the family of -means dense subgraph objectives…