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20232025
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math.GT2025

A prescribed curvature flow on hyperbolic surfaces with infinite topological type

Xinrong Zhao, Puchun Zhou

In this paper, we investigate the prescribed total geodesic curvature problem for generalized circle packing metrics in hyperbolic background geometry on surfaces with infinite cel…

math.GT2024

The Convergence of Prescribed Combinatorial Ricci Flows for Total Geodesic Curvatures in Spherical Background Geometry

Guangming Hu, Ziping Lei, Yu Sun +1

In this paper, we study the existence and rigidity of (degenerated) circle pattern metric with prescribed total geodesic curvatures in spherical background geometry. To find the (d…

math.GT2023

Hyperbolic Circle Packings and Total Geodesic Curvatures on Surfaces with Boundary

Guangming Hu, Yi Qi, Yu Sun +1

This paper investigates a generalized hyperbolic circle packing (including circles, horocycles or hypercycles) with respect to the total geodesic curvatures on the surface with bou…

math.GT2023

Combinatorial Calabi flows for ideal circle patterns in spherical background geometry

Ziping Lei, Puchun Zhou

Combinatorial Calabi flows are introduced by Ge in his Ph.D. thesis (Combinatorial methods and geometric equations, Peking University, Beijing, 2012), and have been studied extensi…

math.GT2023

A combinatorial curvature flow in spherical background geometry

Huabin Ge, Bobo Hua, Puchun Zhou

In [12], the existence of ideal circle patterns in Euclidean or hyperbolic background geometry under the combinatorial conditions was proved using flow approaches. It remains as an…