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In this survey, we give an overview of Brieskorn manifolds and varieties, and their role in contact topology. We discuss open books, fillings and invariants such as contact and symplectic homology. We also present some new results involving…

Symplectic Geometry · Mathematics 2018-11-08 Myeonggi Kwon , Otto van Koert

In this paper, we give an open book decomposition for the contact structures on some Brieskorn manifolds, in particular for the contact structures of Ustilovsky. The decomposition uses right-handed Dehn twists as conjectured by Giroux.

Symplectic Geometry · Mathematics 2009-06-24 Otto van Koert , Klaus Niederkrüger

Applying our recent classification of negative-twisting tight contact structures on Seifert fibered spaces whose base orbifold is a sphere, we provide the complete list of all the Brieskorn spheres carrying at most two symplectically…

Geometric Topology · Mathematics 2026-05-19 Alberto Cavallo

We give an algorithm for computing the contact homology of some Brieskorn manifolds. As an application, we construct infinitely many contact structures on the class of simply connected contact manifolds that admit nice contact forms (i.e.…

Symplectic Geometry · Mathematics 2007-06-13 Otto van Koert

The Brieskorn manifolds $B(p,q,r)$ are the $r$-fold cyclic coverings of the 3-sphere $S^{3}$ branched over the torus knot $T(p,q)$. The generalised Sieradski groups $S(m,p,q)$ are groups with $m$-cyclic pre\-sen\-tation $G_{m}(w)$, where…

Geometric Topology · Mathematics 2020-11-09 Tatyana Kozlovskaya , Andrei Vesnin

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

We study contact manifolds that arise as cyclic branched covers of transverse knots in the standard contact 3-sphere. We discuss properties of these contact manifolds and describe them in terms of open books and contact surgeries. In many…

Geometric Topology · Mathematics 2007-12-11 Shelly Harvey , Keiko Kawamuro , Olga Plamenevskaya

According to Giroux, contact manifolds can be described as open books whose pages are Stein manifolds. For 5-dimensional contact manifolds the pages are Stein surfaces, which permit a description via Kirby diagrams. We introduce handle…

Symplectic Geometry · Mathematics 2014-02-26 Fan Ding , Hansjörg Geiges , Otto van Koert

In the spirit of Sullivan's paper "Cycles for the Dynamical Study of Foliated Manifolds and Complex Manifolds", existence of a contact structure on a closed manifold $M$ is shown to be equivalent to existence of an ample $S^1$-invariant…

Differential Geometry · Mathematics 2015-12-14 Mélanie Bertelson , Cédric De Groote

In this article, we find the complete list of all contact structures (up to isotopy) on closed three-manifolds which are supported by an open book decomposition having planar pages with three (but not less) boundary components. We…

Geometric Topology · Mathematics 2018-03-23 Mehmet Firat Arikan

We describe Milnor open books and Legendrian surgery diagrams for canonical contact structures of links of some rational surface singularities. We also describe an infinite family of Milnor fillable contact 3-manifolds so that the Milnor…

Geometric Topology · Mathematics 2017-01-05 Mohan Bhupal , Burak Ozbagci

We say that a contact manifold is Milnor fillable if it is contactomorphic to the contact boundary of an isolated complex-analytic singularity (X,x). Generalizing results of Milnor and Giroux, we associate to each holomorphic function f…

Symplectic Geometry · Mathematics 2007-05-23 C. Caubel , A. Nemethi , P. Popescu-Pampu

A real 3-manifold is a smooth 3-manifold together with an orientation preserving smooth involution, called a real structure. In this article we study open book decompositions on smooth real 3-manifolds that are compatible with the real…

Geometric Topology · Mathematics 2015-10-09 Ferit Ozturk , Nermin Salepci

In this paper the 5-dimensional contact SO(3)-manifolds are classified up to equivariant contactomorphisms. The construction of such manifolds with singular orbits requires the use of generalized Dehn twists. We show as an application that…

Symplectic Geometry · Mathematics 2007-05-23 Klaus Niederkrüger

In this paper, we focus on contact structures supported by planar open book decompositions. We study right-veering diffeomorphisms to keep track of overtwistedness property of contact structures under some monodromy changes. As an…

Geometric Topology · Mathematics 2018-03-23 M. Firat Arikan , Selahi Durusoy

We prove some open book embedding results in the contact category. For example, we show that a large class of contact 3-manifolds admit contact open book embedding in the standard contact 5- sphere. We also prove that all the Ustilovsky (4m…

Symplectic Geometry · Mathematics 2020-05-21 Kuldeep Saha

We study the existence of multiple closed Reeb orbits on some contact manifolds by means of $S^1$-equivariant symplectic homology and the index iteration formula. It is proved that a certain class of contact manifolds which admit…

Symplectic Geometry · Mathematics 2014-10-16 Jungsoo Kang

A folding of a branched cover of the 3-sphere that is branched over a knot is a continuous map of the cover into the product of the sphere with a disk that has the property that the projection onto the sphere factor induces the covering.…

Geometric Topology · Mathematics 2025-04-02 J. Scott Carter , Seonmi Choi , Byeorhi Kim

In this note we show that a closed oriented contact manifold is obtained from the standard contact sphere of the same dimension by contact surgeries on isotropic and coisotropic spheres. In addition, we observe that all closed oriented…

Symplectic Geometry · Mathematics 2020-04-15 James Conway , John B. Etnyre

In this note we observe, answering a question of Eliashberg and Thurston, that all contact structures on a closed oriented 3-manifold are $C^\infty$-deformations of foliations.

Symplectic Geometry · Mathematics 2007-05-23 John B. Etnyre
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