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- W3023899405 abstract "We present a notion of super Ricci flow for time-dependent finite weighted graphs. A challenging feature is that these flows typically encounter singularities where the underlying graph structure changes. Our notion is robust enough to allow the flow to continue past these singularities. As a crucial tool for this purpose we study the heat flow on such singular time-dependent weighted graphs with changing graph structure. We then give several equivalent characterizations of super Ricci flows in terms of a discrete dynamic Bochner inequality, gradient and transport estimates for the heat flow, and dynamic convexity of the entropy along discrete optimal transport paths. The latter property can be used to show that our notion of super Ricci flow is consistent with classical super Ricci flows for manifolds (or metric measure spaces) in a discrete to continuum limit." @default.
- W3023899405 created "2020-05-13" @default.
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- W3023899405 date "2020-10-01" @default.
- W3023899405 modified "2023-09-30" @default.
- W3023899405 title "Super Ricci flows for weighted graphs" @default.
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- W3023899405 doi "https://doi.org/10.1016/j.jfa.2020.108607" @default.
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