Perron's method and spherical ideal circle patterns with prescribed total geodesic curvatures
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866914429667377152 |
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| author | Li, Lishan Hu, Jun Qi, Yi Sun, Yu |
| author_facet | Li, Lishan Hu, Jun Qi, Yi Sun, Yu |
| contents | In this paper, we apply the classical Perron method to give a proof of the existence and uniqueness/rigidity result of a circle pattern on a closed surface equipped with conical spherical metric when prescribed measures of the angles of intersecting circles stay in the range (0,π/2] and total geodesic curvatures are assigned to the circles, which is recently obtained in [3] via Colin de Verdière's variation method. Then we show the convergence of Thurston's algorithm, which adjusts the geodesic curvatures of circles one by one based on the prescribed values for total geodesic curvatures of the circles, to the desired circle pattern in the setting of the result. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_27363 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Perron's method and spherical ideal circle patterns with prescribed total geodesic curvatures Li, Lishan Hu, Jun Qi, Yi Sun, Yu Geometric Topology Combinatorics In this paper, we apply the classical Perron method to give a proof of the existence and uniqueness/rigidity result of a circle pattern on a closed surface equipped with conical spherical metric when prescribed measures of the angles of intersecting circles stay in the range (0,π/2] and total geodesic curvatures are assigned to the circles, which is recently obtained in [3] via Colin de Verdière's variation method. Then we show the convergence of Thurston's algorithm, which adjusts the geodesic curvatures of circles one by one based on the prescribed values for total geodesic curvatures of the circles, to the desired circle pattern in the setting of the result. |
| title | Perron's method and spherical ideal circle patterns with prescribed total geodesic curvatures |
| topic | Geometric Topology Combinatorics |
| url | https://arxiv.org/abs/2603.27363 |