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相关论文: Explicit horizontal open books on some plumbings

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We show that under appropriate hypotheses, a plumbing of symplectic surfaces in a symplectic 4-manifold admits strongly convex neighborhoods. Moreover the neighborhoods are Lefschetz fibered with an easily-described open book on the…

辛几何 · 数学 2011-11-23 David Gay , Thomas E. Mark

We study compatible contact structures of fibered Seifert multilinks in homology 3-spheres and especially give a necessary and sufficient condition for the contact structure to be tight in the case where the Seifert fibration is positively…

几何拓扑 · 数学 2010-11-30 Masaharu Ishikawa

We show that contact homology distinguishes infinitely many tight contact structures on any orientable, toroidal, irreducible 3-manifold. As a consequence of the contact homology computations, on a very large class of toroidal manifolds,…

几何拓扑 · 数学 2014-11-11 Frederic Bourgeois , Vincent Colin

We consider tight contact structures on plumbed 3-manifolds with no bad vertices. We discuss how one can count the number of tight contact structures with zero Giroux torsion on such 3-manifolds and explore conditions under which Giroux…

几何拓扑 · 数学 2025-10-02 Tanushree Shah , Jonathan Simone

We use the equivalence between embedded contact homology and Seiberg-Witten Floer homology to obtain the following improvements on the Weinstein conjecture. Let Y be a closed oriented connected 3-manifold with a stable Hamiltonian…

辛几何 · 数学 2014-11-11 Michael Hutchings , Clifford Henry Taubes

We determine the closed, oriented Seifert fibered 3-manifolds which carry positive tight contact structures. Our main tool is a new non-vanishing criterion for the contact Ozsvath-Szabo invariant.

辛几何 · 数学 2019-12-19 Paolo Lisca , Andras I. Stipsicz

In this note we make several observations concerning symplectic fillings. In particular we show that a (strongly or weakly) semi-fillable contact structure is fillable and any filling embeds as a symplectic domain in a closed symplectic…

辛几何 · 数学 2014-10-01 John B Etnyre

We construct an infinite family of non-positive open books with once-punctured torus pages that support Stein-fillable contact structures. Combined with a result of Wendl, this allows us to give a complete answer to a long-standing question…

几何拓扑 · 数学 2025-07-10 Vitalijs Brejevs , Andy Wand

Using open book foliations we show that an overtwisted disc in a planar open book can be put in a topologically nice position. As a corollary, we prove that a planar open book whose fractional Dehn twist coefficients grater than one for all…

几何拓扑 · 数学 2015-02-04 Tetsuya Ito , Keiko Kawamuro

We construct open book structures on all moment-angle manifolds and describe the topology of their leaves and bindings under certain restrictions. II. We also show, using a recent deep result about contact forms due to Borman, Eliashberg…

代数拓扑 · 数学 2019-07-30 Yadira Barreto , Santiago López de Medrano , Alberto Verjovsky

Periodic surface homemorphisms (diffeomorphisms) play a significant role in the the Nielsen-Thurston classification of surface homeomorphisms. Periodic surface homeomorphisms can be described (up to conjugacy) by using data sets which are…

几何拓扑 · 数学 2020-10-08 Dheeraj Kulkarni , Kashyap Rajeevsarathy , Kuldeep Saha

We study a coverings of open books and virtually overtwisted contact manifolds using open book foliations. We show that open book coverings produces interesting examples such as transverse knots with depth grater than 1. We also demonstrate…

几何拓扑 · 数学 2015-09-02 Tetsuya Ito , Keiko Kawamuro

A flow-spine of a 3-manifold is a spine admitting a flow that is transverse to the spine, where the flow in the complement of the spine is diffeomorphic to a constant flow in an open ball. We say that a contact structure on a closed,…

几何拓扑 · 数学 2023-04-04 Ippei Ishii , Masaharu Ishikawa , Yuya Koda , Hironobu Naoe

In this paper, we study confoliations in dimensions higher than three mostly from the perspective of symplectic fillability. Our main result is that Massot-Niederkr\"uger-Wendl's bordered Legendrian open book, an object that obstructs the…

辛几何 · 数学 2024-12-03 Robert Cardona , Fabio Gironella

We construct a simple topological invariant of certain 3-manifolds, including quotients of the 3-sphere by finite groups, based on the fact that the tangent bundle of an orientable 3-manifold is trivialisable. This invariant is strong…

几何拓扑 · 数学 2007-05-23 Siddhartha Gadgil

We show that for all $n \ge 3$, any $(2n+1)$-dimensional manifold that admits a tight contact structure, also admits a tight but non-fillable contact structure, in the same almost contact class. For $n=2$, we obtain the same result,…

辛几何 · 数学 2026-03-17 Jonathan Bowden , Fabio Gironella , Agustin Moreno , Zhengyi Zhou

A two-dimensional open book (S,h) determines a closed, oriented three-manifold Y(S,h) and a contact structure C(S,h) on Y(S,h). The contact structure C(S,h) is Stein fillable if h is positive, i.e. h can be written as a product of…

辛几何 · 数学 2014-11-11 Paolo Lisca

We show that an oriented elliptic 3-manifold admits a universally tight positive contact structure iff the corresponding group of deck transformations on $S^3$ preserves a standard contact structure pointwise. We also relate univerally…

几何拓扑 · 数学 2007-05-23 Siddhartha Gadgil

Suppose that $\Sigma$ is a closed and oriented surface equipped with a Riemannian metric. In the literature, there are three seemingly distinct constructions of open books on the unit (co)tangent bundle of $\Sigma$, having complex, contact,…

几何拓扑 · 数学 2025-05-09 Pierre Dehornoy , Burak Ozbagci

We develop the details of a surgery theory for contact manifolds of arbitrary dimension via convex structures, extending the 3-dimensional theory developed by Giroux. The theory is analogous to that of Weinstein manifolds in symplectic…

辛几何 · 数学 2019-05-29 Kevin Sackel