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Infinitely many contact 3-manifolds each admitting infinitely many, pairwise non-diffeomorphic Stein fillings are constructed. We use Lefschetz fibrations in our constructions and compute their first homologies to distinguish the fillings.

Symplectic Geometry · Mathematics 2018-07-11 Burak Ozbagci , Andras I. Stipsicz

In this paper we obtain the following results: (1) Any compact Stein surface with boundary embeds naturally into a symplectic Lefschetz fibration over the 2-sphere. (2) There exists a minimal elliptic fibration over the 2-disk, which is not…

Geometric Topology · Mathematics 2018-06-27 Selman Akbulut , Burak Ozbagci

In this note we observe that one can contact embed all contact 3-manifolds into a Stein fillable contact structure on the twisted $S^3$-bundle over $S^2$ and also into a unique overtwisted contact structure on $S^3\times S^2$. These results…

Geometric Topology · Mathematics 2018-08-01 John B. Etnyre , Yanki Lekili

We prove that every strong symplectic filling of a planar contact manifold admits a symplectic Lefschetz fibration over the disk, and every strong filling of the 3-torus similarly admits a Lefschetz fibration over the annulus. It follows…

Symplectic Geometry · Mathematics 2019-12-19 Chris Wendl

We show that for each k > 3 there are infinitely many finite type Stein manifolds diffeomorphic to Euclidean space R^{2k} which are pairwise distinct as symplectic manifolds.

Symplectic Geometry · Mathematics 2009-02-11 Mark McLean

We provide a closed, simply connected, symplectic $6$-manifold having infinitely many codimension $2$ symplectic submanifolds. These are mutually homologous but homotopy inequivalent, and furthermore, they cannot admit complex structures.…

Symplectic Geometry · Mathematics 2025-06-17 Takahiro Oba

We show that there are vast families of contact 3-manifolds each member of which admits infinitely many Stein fillings with arbitrarily big euler characteristics and arbitrarily small signatures ---which disproves a conjecture of Stipsicz…

Geometric Topology · Mathematics 2012-08-03 R. Inanc Baykur , Jeremy Van Horn-Morris

We show that simply connected contact manifolds that are subcritically Stein fillable have a unique symplectically aspherical filling up to diffeomorphism. Various extensions to manifolds with non-trivial fundamental group are discussed.…

Symplectic Geometry · Mathematics 2019-11-11 Kilian Barth , Hansjörg Geiges , Kai Zehmisch

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

For any integer $n\geq 2$, we construct an infinite family of Stein fillable contact $(4n-1)$-manifolds each of which admits infinitely many pairwise homotopy inequivalent Stein fillings.

Geometric Topology · Mathematics 2016-11-18 Takahiro Oba

We construct symplectic submanifolds of symplectic manifolds with contact border. The boundary of such submanifolds is shown to be a contact submanifold of the contact border. We also give a topological characterization of the constructed…

Symplectic Geometry · Mathematics 2007-05-23 Francisco Presas

We give an algorithm which produces infinitely many pairwise exotic Stein fillings of the same contact 3-manifolds, applying positive allowable Lefschetz fibrations over the disk. As a corollary, for a large class of Stein fillings, we…

Geometric Topology · Mathematics 2014-07-02 Kouichi Yasui

We prove that all flexible Weinstein fillings of a given contact manifold with vanishing first Chern class have isomorphic integral cohomology; in certain cases, we prove that all flexible fillings are symplectomorphic. As an application,…

Symplectic Geometry · Mathematics 2017-09-08 Oleg Lazarev

We classify symplectically foliated fillings of certain foliated manifolds with a contact structure on the leaves. We show that for the foliated sphere cotangent bundle of the Reeb foliation on the three-sphere, the corresponding foliated…

Symplectic Geometry · Mathematics 2026-03-24 Francisco Presas , Sushmita Venugopalan

In this second paper of a two-part series, we prove that whenever a contact 3-manifold admits a uniform spinal open book decomposition with planar pages, its (weak, strong and/or exact) symplectic and Stein fillings can be classified up to…

Symplectic Geometry · Mathematics 2026-04-06 Samuel Lisi , Jeremy Van Horn-Morris , Chris Wendl

We construct open symplectic manifolds which are convex at infinity ("Liouville manifolds") and which are diffeomorphic, but not symplectically isomorphic, to cotangent bundles T^*S^{n+1}, for any n+1 \geq 3. These manifolds are constructed…

Symplectic Geometry · Mathematics 2015-04-08 Maksim Maydanskiy , Paul Seidel

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…

Symplectic Geometry · Mathematics 2011-11-23 David Gay , Thomas E. Mark

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

In this paper we give an explicit construction of a symplectic Lefschetz fibration whose total space is a smooth compact four dimensional manifold with a prescribed fundamental group. We also study the numerical properties of the sections…

Geometric Topology · Mathematics 2009-03-10 J. Amorós , F. Bogomolov , L. Katzarkov , T. Pantev , I. Smith

We describe Lefschetz-Bott fibrations on complex line bundles over symplectic manifolds explicitly. As an application, we construct more than one strong symplectic filling of the link of the $A_{k}$-type singularity. In the appendix, we…

Geometric Topology · Mathematics 2019-04-02 Takahiro Oba
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