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Uniform hyperbolicity for curve graphs of non-orientable surfaces
Geometric Topology · Submitted 12 Apr 2015
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim In this paper, we show that curve graphs of non-orientable surfaces are 17-hyperbolic by applying Hensel-Przytycki-Webb's argument.
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The abstract, sentence by sentence
Hensel-Przytycki-Webb proved that all curve graphs of orientable surfaces are 17-hyperbolic. In this paper, we show that curve graphs of non-orientable surfaces are 17-hyperbolic by applying Hensel-Przytycki-Webb's argument. We also show that arc graphs of non-orientable surfaces are 7-hyperbolic, and arc-curve graphs of (non-)orientable surfaces are 9-hyperbolic.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Hensel-Przytycki-Webb proved that all curve graphs of orientable surfaces are 17-hyperbolic. | background 1.00 | 0.02 | 0.03 | asserted 1.00 |
| s1 | In this paper, we show that curve graphs of non-orientable surfaces are 17-hyperbolic by applying Hensel-Przytycki-Webb's argument. | contribution 0.57 | 0.95 | 0.88 | asserted 1.00 |
| s2 | We also show that arc graphs of non-orientable surfaces are 7-hyperbolic, and arc-curve graphs of (non-)orientable surfaces are 9-hyperbolic. | result 0.98 | 0.95 | 0.14 | asserted 1.00 |
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The paper
Original abstract
Hensel-Przytycki-Webb proved that all curve graphs of orientable surfaces are 17-hyperbolic. In this paper, we show that curve graphs of non-orientable surfaces are 17-hyperbolic by applying Hensel-Przytycki-Webb's argument. We also show that arc graphs of non-orientable surfaces are 7-hyperbolic, and arc-curve graphs of (non-)orientable surfaces are 9-hyperbolic.
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What it cites · 15 sentences without a confident label
Builds on 1 paper
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In this section, all lemmas come from Section 3 in [ref] by changing the assumption of orientable surfaces to non-orientable surfaces.
Slim unicorns and uniform hyperbolicity for arc graphs and curve graphs · Unicorn paths · 0.99
Cites as background 1 paper
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Recently, Aougab [ref] , Bowditch [ref] , Clay-Rafi-Schleimer [ref] , and Hensel-Przytycki-Webb [ref] independently proved that one can choose the hyperbolicity constants which do not depend on the topological types of orientable surfaces.
Slim unicorns and uniform hyperbolicity for arc graphs and curve graphs · Introduction · 0.86
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