Global convergence conjecture for fractional combinatorial Calabi flow with surgery

From papers

Let (M,V,ε)(M,V,\varepsilon) be a marked weighted connected closed surface with ε:V{0,1}\varepsilon:V\rightarrow\{0,1\}, and suppose there exists a PL or PH metric generated by a discrete conformal structure with combinatorial curvature K\overline{K}. For any sRs\in\mathbb{R} and any initial PL or PH metric on (M,V,ε)(M,V,\varepsilon) generated by a discrete conformal structure, Global convergence conjecture. the solution of fractional combinatorial Calabi flow with surgery exists for all time and converges exponentially fast after a finite number of surgeries. This extends the known convergence results for the cases s=0s=0 and s=1s=1 to arbitrary real ss; because the fractional combinatorial Calabi flow is generally not a gradient flow, finiteness of surgeries is not known in general.

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Primary source

Tianqi Wu and Xu Xu, “Fractional combinatorial Calabi flow on surfaces”, arXiv:2107.14102 (2021).

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