Legendrian graphs and quasipositive diagrams

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In this paper we clarify the relationship between ribbon surfaces of Legendrian graphs and quasipositive diagrams by using certain fence diagrams. As an application, we give an alternative proof of a theorem concerning a relationship between quasipositive fiber surfaces and contact structures on the 3-sphere. We also answer a question of L. Rudolph concerning moves of quasipositive diagrams.
17 pages, 19 figures

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Geometric Topology, 57M25

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http://salesiana.dossiersoluciones.com/handle/123456789/116600

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0609592
 http://arxiv.org/abs/math/0609592

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arXiv