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Related papers: Contact structures on open 3-manifolds

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We show that, under a certain condition, contact 5-manifolds can `coarsely' distinguish smooth structures on compact Stein 4-manifolds via contact open books. We also give a simple sufficient condition for an infinite family of Stein…

Geometric Topology · Mathematics 2016-04-13 Kouichi Yasui

We introduce the notion of asymptotically finitely generated contact structures, which states essentially that the Symplectic Homology in a certain degree of any filling of such contact manifolds is uniformly generated by only finitely many…

Symplectic Geometry · Mathematics 2020-07-20 Alexander Fauck

We classify compact manifolds of dimension three equipped with a path structure and a fixed contact form (which we refer to as a strict path structure) under the hypothesis that their automorphism group is non-compact. We use a Cartan…

Differential Geometry · Mathematics 2023-03-09 Elisha Falbel , Martin Mion-Mouton , Jose Miguel Veloso

Let S be a compact surface - or the interior of a compact surface - and let V be the manifold of cooriented contact elements of S equiped with its canonical contact structure. A diffeomorphism of V that preserves the contact structure and…

Geometric Topology · Mathematics 2007-05-23 Emmanuel Giroux

We construct an infinite family of mutually non-diffeomorphic irreducible smooth structures on the topological 4-manifold $S^2 \times S^2$.

Geometric Topology · Mathematics 2015-03-17 Anar Akhmedov , B. Doug Park

A topology is defined on the mapping class group of a compact connected orientable surface. It is shown that a notion of "genericity" on subsets of the mapping class group arises from this definition. Many plausible results follow from this…

Geometric Topology · Mathematics 2025-08-06 Ingrid Irmer

In recent times a great amount of progress has been achieved in symplectic and contact geometry, leading to the development of powerful invariants of 3-manifolds such as Heegaard Floer homology and embedded contact homology. These…

Symplectic Geometry · Mathematics 2012-12-11 Daniel V. Mathews

We prove some contact analogs of smooth embedding theorems for closed $\pi$-manifolds. We show that a closed, $k$-connected, $\pi$-manifold of dimension (2n + 1) that bounds a $\pi$-manifold, contact embeds in the $(4n-2k+3)$-dimensional…

Symplectic Geometry · Mathematics 2020-05-21 Kuldeep Saha

We define an invariant of contact 3-manifolds with convex boundary using Kronheimer and Mrowka's sutured instanton Floer homology theory. To the best of our knowledge, this is the first invariant of contact manifolds -- with or without…

Symplectic Geometry · Mathematics 2016-03-28 John A. Baldwin , Steven Sivek

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…

Algebraic Topology · Mathematics 2019-07-30 Yadira Barreto , Santiago López de Medrano , Alberto Verjovsky

We lay the foundations of convex hypersurface theory in contact topology, extending the work of Giroux in dimension three. Specifically, we prove that any closed hypersurface in a contact manifold can be $C^0$-approximated by a convex one.…

Symplectic Geometry · Mathematics 2026-04-30 Joseph Breen , Austin Christian , Ko Honda , Yang Huang

We study the contact geometry of the connected components of the energy hypersurface, in the symmetric restricted 3-body problem on $\mathbb{S}^2$, for a specific type of motion of the primaries. In particular, we show that these components…

Dynamical Systems · Mathematics 2024-11-19 Kursat Yilmaz , Alessandro Arsie

Given any connected, open 3-manifold $U$ having finitely many ends, a non-compact 3-manifold $M$ is constructed having the following properties: the interior of $M$ is homeomorphic to $U$; the boundary of $M$ is the disjoint union of…

Geometric Topology · Mathematics 2016-09-06 Robert Myers

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

Suppose that S is a surface with boundary and that g and h are diffeomorphisms of S which restrict to the identity on the boundary. Let Y_g, Y_h, and Y_{hg} be the three-manifolds with open book decompositions given by (S,g), (S,h), and…

Symplectic Geometry · Mathematics 2007-05-23 John A. Baldwin

We study in this paper the remnants of the contact partial order on the orbits of the adjoint action of contactomorphism groups on their Lie algebras. Our main interest is a class of non-compact contact manifolds, called convex at infinity.

Symplectic Geometry · Mathematics 2018-01-17 Kai Cieliebak , Yakov Eliashberg , Leonid Polterovich

Using deformations of foliations to contact structures as well as rigidity properties of Anosov foliations we provide infinite families of examples which show that the space of taut foliations in a given homotopy class of plane fields is in…

Geometric Topology · Mathematics 2016-05-04 Jonathan Bowden

These notes provide an introduction to Giroux's theory of convex surfaces in contact 3-manifolds and its simplest applications. They put a special emphasis on pictures and discussions of explicit examples. The first goal is to explain why…

Geometric Topology · Mathematics 2013-03-06 Patrick Massot

We propose in this paper a method for studying contact structures in 3-manifolds by means of branched surfaces. We explain what it means for a contact structure to be carried by a branched surface embedded in a 3-manifold. To make the…

Geometric Topology · Mathematics 2009-09-29 Ulrich Oertel , Jacek Swiatkowski

We prove that the space $\mathcal{H}_\infty$ of framed infinite volume hyperbolic $3$-manifolds is connected but not path connected. Two proofs of connectivity of this space, which is equipped with the geometric topology, are given, each…

Geometric Topology · Mathematics 2026-03-04 Matthew Zevenbergen