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Related papers: Open books on contact five-manifolds

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A theorem on the existence of the unique minimal topologic handle decomposition of differentiable simply connected five-dimensional manifolds is proved. For a decomposition of this sort, the number of handles of each index is given.

Geometric Topology · Mathematics 2007-05-23 A. O. Prishlyak

We classify tight contact structures with zero Giroux torsion on some Seifert-fibered manifolds with four exceptional fibers. We get the lower bound by constructing contact structures using Legendrian surgery. We use convex surface theory…

Geometric Topology · Mathematics 2025-04-04 Tanushree Shah

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…

Symplectic Geometry · Mathematics 2014-10-01 John B Etnyre

There are two well-known parabolic split $G_2$-geometries in dimension five, $(2,3,5)$-distributions and $G_2$-contact structures. Here we link these two geometries with yet another $G_2$-related contact structure, which lives on a…

Differential Geometry · Mathematics 2022-04-14 Thomas Leistner , Pawel Nurowski , Katja Sagerschnig

This paper proves the Giroux Correspondence in dimension three using Heegaard splittings of contact manifolds. In two of the authors earlier paper they proved the Giroux Correspondence for tight contact 3-manifolds via convex Heegaard…

Geometric Topology · Mathematics 2026-02-19 Joan Licata , Matthias Scharitzer , Vera Vértesi

We describe explicit horizontal open books on some Seifert fibered 3--manifolds. We show that the contact structures compatible with these horizontal open books are Stein fillable and horizontal as well. Moreover we draw surgery diagrams…

Geometric Topology · Mathematics 2012-06-22 Burak Ozbagci

A strongly non-degenerate mixed function has a Milnor open book structures on a sufficiently small sphere. We introduce the notion of {\em a holomorphic-like} mixed function and we will show that a link defined by such a mixed function has…

Algebraic Geometry · Mathematics 2012-04-26 Mutsuo Oka

Let M be a closed oriented 3-manifold such that S^1 x M admits a symplectic structure w. The goal of this paper is to show that M is a fiber bundle over S^1. The basic idea is to use the obvious S^1-action on S^1 x M by rotating the first…

Geometric Topology · Mathematics 2009-01-06 Jin Hong Kim

We introduce the classes of holomorphic $p$-contact manifolds and holomorphic $s$-symplectic manifolds that generalise the classical holomorphic contact and holomorphic symplectic structures. After observing their basic properties and…

Differential Geometry · Mathematics 2025-11-18 Hisashi Kasuya , Dan Popovici , Luis Ugarte

We study neighborhoods of configurations of symplectic surfaces in symplectic 4-manifolds. We show that suitably `positive' configurations have neighborhoods with concave boundaries and we explicitly describe open book decompositions of the…

Geometric Topology · Mathematics 2014-10-01 David T. Gay

We show that there exist infinitely many closed contact 3-manifolds containing half Giroux torsion along a separating torus whose contact invariants do not vanish. This provides counterexamples to Ghiggini's conjecture and suggests that…

Geometric Topology · Mathematics 2025-07-25 Hyunki Min , Konstantinos Varvarezos

In this note, we exhibit infinite families of tight non-fillable contact manifolds supported by planar open books with vanishing Heegaard Floer contact invariants. Moreover, we also exhibit an infinite such family where the supported…

Geometric Topology · Mathematics 2016-09-20 James Conway , Amey Kaloti , Dheeraj Kulkarni

We construct branched double coverings by certain direct products of manifolds for connected sums of copies of sphere bundles over the 2-sphere. As an application we answer a question of Kotschick and Loeh up to dimension five. More…

Geometric Topology · Mathematics 2019-09-09 Christoforos Neofytidis

Two of the basic questions in contact topology are which manifolds admit tight contact structures, and on those that do, can we classify such structures. We present the first such classification on an infinite family of (mostly) hyperbolic…

Geometric Topology · Mathematics 2021-01-05 James Conway , Hyunki Min

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,…

Symplectic Geometry · Mathematics 2026-03-17 Jonathan Bowden , Fabio Gironella , Agustin Moreno , Zhengyi Zhou

We exhibit a 3-manifold which admits no tight contact structure.

Geometric Topology · Mathematics 2007-05-23 John B. Etnyre , Ko Honda

This is primarily an exposition, combining work of several authors (Curtis, Hsiang, Freedman, Stong, Matveyev, and Bizaca), of the proof that a smooth 5-dimensional h-cobordism between simply connected 4-manifolds is a product off of a…

Geometric Topology · Mathematics 2007-05-23 Rob Kirby

A dualistic structure on a smooth Riemaniann manifold $M$ is a triple $(M,g,\nabla)$ with $g$ a Riemaniann metric and $\nabla$ an affine connection, generally assumed to be torsionless. From $g$ and $\nabla$, the dual connection $\nabla^*$…

Differential Geometry · Mathematics 2022-09-21 E. Gnandi , S. Puechmorel

A $b$-contact structure on a $b$-manifold $(M,Z)$ is a Jacobi structure on $M$ satisfying a transversality condition along the hypersurface $Z$. We show that, in three dimensions, $b$-contact structures with overtwisted three-dimensional…

Symplectic Geometry · Mathematics 2024-12-10 Robert Cardona , Cédric Oms

We show that Brieskorn manifolds with their standard contact structures are contact branched coverings of spheres. This covering maps a contact open book decomposition of the Brieskorn manifold onto a Milnor open book of the sphere.

Geometric Topology · Mathematics 2007-05-23 Ferit Ozturk , Klaus Niederkrüger