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Using square bridge position, Akbulut-Ozbagci and later Arikan gave algorithms both of which construct an explicit compatible open book decomposition on a closed contact $3$-manifold which results from a contact $(\pm 1)$-surgery on a…

Geometric Topology · Mathematics 2023-03-16 I. Ozge Taspinar , M. Firat Arikan

In this paper, sufficient conditions for contact $(+1)$-surgeries along Legendrian knots in contact rational homology 3-spheres to have vanishing contact invariants or to be overtwisted are given. They can be applied to study contact…

Geometric Topology · Mathematics 2020-11-03 Fan Ding , Youlin Li , Zhongtao Wu

This paper describes a characterization of tightness of closed contact 3-manifolds in terms of supporting open book decompositions. The main result is that tightness of a closed contact 3-manifold is preserved under Legendrian surgery.

Geometric Topology · Mathematics 2014-12-04 Andy Wand

In this note we show that $+1$-contact surgery on distinct Legendrian knots frequently produces contactomorphic manifolds. We also give examples where this happens for $-1$-contact surgery. As an amusing corollary we find overtwisted…

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

We show that all positive contact surgeries on every Legendrian figure-eight knot in $(S^3, \xi_{\rm{std}})$ result in an overtwisted contact structure. The proof uses convex surface theory and invariants from Heegaard Floer homology.

Geometric Topology · Mathematics 2016-10-14 James Conway

By recent results of Baker--Etnyre--Van Horn-Morris, a rational open book decomposition defines a compatible contact structure. We show that the Heegaard Floer contact invariant of such a contact structure can be computed in terms of the…

Geometric Topology · Mathematics 2015-03-19 Matthew Hedden , Olga Plamenevskaya

This is a survey on contact open books and contact Dehn surgery. The relation between these two concepts is discussed, and various applications are sketched, e.g. the monodromy of Stein fillable contact 3-manifolds, the Giroux-Goodman proof…

Symplectic Geometry · Mathematics 2011-12-22 Hansjörg Geiges

In this paper we discuss the change in contact structures as their supporting open book decompositions have their binding components cabled. To facilitate this and applications we define the notion of a rational open book decomposition that…

Symplectic Geometry · Mathematics 2015-03-17 Kenneth L. Baker , John B. Etnyre , Jeremy Van Horn-Morris

For a nullhomologous Legendrian knot in a closed contact 3-manifold Y we consider a contact structure obtained by positive rational contact surgery. We prove that in this situation the Heegaard Floer contact invariant of Y is mapped by a…

Geometric Topology · Mathematics 2018-06-13 Thomas E. Mark , Bülent Tosun

In this note, we define a new invariant of a Legendrian knot in a contact manifold using an open book decomposition supporting the contact structure. We define the support genus sg(L) of a Legendrian knot L in a contact 3-manifold (M, \xi)…

Geometric Topology · Mathematics 2009-11-14 Sinem Celik Onaran

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 prove that every closed, connected contact 3-manifold can be obtained from the 3-sphere with its standard contact structure by contact surgery of coefficient plus or minus 1 along a Legendrian link. As a corollary, we derive a result of…

Symplectic Geometry · Mathematics 2009-11-07 Fan Ding , Hansjörg Geiges

We give an explicit algorithm to Legendrian realize a homologically nontrivial simple closed curve on a ribbon surface of a Legendrian graph in the standard contact structure $(\mathbb{R}^3,\xi_{\rm st})$. As an application, we obtain an…

Geometric Topology · Mathematics 2026-04-10 Eric Stenhede

We construct, somewhat non-standard, Legendrian surgery diagrams for some Stein fillable contact structures on some plumbing trees of circle bundles over spheres. We then show how to put such a surgery diagram on the pages of an open book…

Geometric Topology · Mathematics 2018-06-27 John B. Etnyre , Burak Ozbagci

We prove that loose Legendrian knots in a rational homology contact 3-sphere, satisfying some additional hypothesis, are Legendrian isotopic if and only if they have the same classical invariants. The proof requires a result of Dymara on…

Geometric Topology · Mathematics 2019-12-06 Alberto Cavallo

Let $(M,\xi)$ be a contact 3-manifold. We present two new algorithms, the first of which converts an open book $(\Sigma,\Phi)$ supporting $(M,\xi)$ with connected binding into a contact surgery diagram. The second turns a contact surgery…

Geometric Topology · Mathematics 2019-08-29 Russell Avdek

We construct a combinatorial invariant of Legendrian knots in standard contact three-space. This invariant, which encodes rational relative Symplectic Field Theory and extends contact homology, counts holomorphic disks with an arbitrary…

Symplectic Geometry · Mathematics 2015-05-13 Lenhard Ng

We study the effect of surgery on transverse knots in contact 3-manifolds. In particular, we investigate the effect of such surgery on open books, the Heegaard Floer contact invariant, and tightness. The overarching theme of this paper is…

Geometric Topology · Mathematics 2016-10-17 James Conway

Ozsvath and Stipsicz showed that the LOSS invariant is natural under +1 contact surgery. We extend their result and prove the naturality of the LOSS invariant of a Legendrian L under any positive integer contact surgery along another…

Geometric Topology · Mathematics 2024-04-01 Shunyu Wan

This paper completely answers the question of when contact (r)-surgery on a Legendrian knot in the standard contact structure on the 3-sphere yields a symplectically fillable contact manifold for r in (0,1]. We also give obstructions for…

Geometric Topology · Mathematics 2019-01-28 James Conway , John B. Etnyre , Bülent Tosun
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