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Real Legendrian subvarieties are classical objects of differential geometry and classical mechanics and they have been studied since antiquity. However, complex Legendrian subvarieties are much more rigid and have more exceptional…

Algebraic Geometry · Mathematics 2013-05-16 Jarosław Buczyński

The Rabinowitz-Floer homology groups $RFH_*(M,W)$ are associated to an exact embedding of a contact manifold $(M,\xi)$ into a symplectic manifold $(W,\omega)$. They depend only on the bounded component $V$ of $W\setminus M$. We construct a…

Symplectic Geometry · Mathematics 2009-03-05 Kai Cieliebak , Urs Frauenfelder , Alexandru Oancea

Assume that $M$ is a smooth manifold with a symplectic structure $\omega$. Then Weyl manifolds on the symplectic manifold $M$ are Weyl algebra bundles endowed with suitable transition functions. From the geometrical point of view, Weyl…

Differential Geometry · Mathematics 2017-11-13 Naoya Miyazaki

The aim of this article is to introduce invariants of oriented, smooth, closed four-manifolds, built using the Floer homology theories defined in two earlier papers (math.SG/0101206 and math.SG/0105202). This four-dimensional theory also…

Symplectic Geometry · Mathematics 2007-05-23 Peter S Ozsvath , Zoltan Szabo

We show that if the image of a Legendrian submanifold under a contact homeomorphism (i.e. a homeomorphism that is a $C^0$-limit of contactomorphisms) is smooth then it is Legendrian, assuming only positive local lower bounds on the…

Symplectic Geometry · Mathematics 2023-03-01 Michael Usher

For an immersed Lagrangian submanifold $L$ in a K\"ahler manifold $(M,\omega)$, there exists a symplectic local diffeomorphism from a tubular neighborhood of the image of the zero section in the normal bundle $T^{\bot}L$ of $L$, equipped…

Differential Geometry · Mathematics 2025-11-17 Hikaru Yamamoto

Y. Eliashberg and N. Mishachev introduced the notion of wrinkled embedding to show that any tangential homotopy can be approximated by a homotopy of topological embeddings with mild singularities. This concept plays an important role in…

Differential Geometry · Mathematics 2021-12-30 Álvaro del Pino , Lauran Toussaint

We prove that closed connected contact manifolds of dimension $\geq 5$ related by an h-cobordism with a flexible Weinstein structure become contactomorphic after some kind of stabilization. We also provide examples of non-conjugate contact…

Symplectic Geometry · Mathematics 2016-09-27 Sylvain Courte

We introduce a new construction for tropical Lagrangian surfaces in $(\mathbb{C}^*)^2$. This construction makes the surfaces special Lagrangian, which gives a strong control over the asymptotic behavior of holomorphic disks near each…

Symplectic Geometry · Mathematics 2025-07-04 Jaewon Chang

We describe an operation which modifies a Lagrangian submanifold $L$ in a symplectic manifold $(M, \omega)$ such as to produce a new immersed Lagrangian submanifold $L'$, which as a smooth manifold is obtained by surgery along a framed…

Symplectic Geometry · Mathematics 2021-01-21 Luis Haug

We study Weinstein 4-manifolds which admit Lagrangian skeleta given by attaching disks to a surface along a collection of simple closed curves. In terms of the curves describing one such skeleton, we describe surgeries that preserve the…

Symplectic Geometry · Mathematics 2016-03-25 Vivek Shende , David Treumann , Harold Williams

For each representative $\mathfrak{B}$ of a bordism class in the free loop space of a manifold, we associate a moduli space of finite length Floer cylinders in the cotangent bundle. The left end of the Floer cylinder is required to be a…

Symplectic Geometry · Mathematics 2023-05-22 Filip Broćić , Dylan Cant

We derive basic differential geometric formulae for surfaces in hyperbolic space represented as envelopes of horospheres. The dual notion of parallel hypersurfaces is also studied. The representation is applied to prove existence and…

Differential Geometry · Mathematics 2025-07-01 Charles L. Epstein

A version of mirror symmetry predicts a ring isomorphism between quantum cohomology of a symplectic manifold and Jacobian algebra of the Landau-Ginzburg mirror, and for toric manifolds Fukaya-Oh-Ohta-Ono constructed such a map called…

Symplectic Geometry · Mathematics 2020-07-24 Cheol-Hyun Cho , Sangwook Lee

Let $\Lambda$ be a smooth Lagrangian submanifold of a complex symplectic manifold $X$. We construct twisted simple holonomic modules along $\Lambda$ in the stack of deformation-quantization modules on $X$.

Algebraic Geometry · Mathematics 2015-05-12 Andrea D'Agnolo , Pierre Schapira

In an earlier paper (math.SG/0101206), we introduced Floer homology theories associated to closed, oriented three-manifolds Y and SpinC structures. In the present paper, we give calculations and study the properties of these invariants. The…

Symplectic Geometry · Mathematics 2007-05-23 Peter Ozsvath , Zoltan Szabo

We prove a compactness result for holomorphic curves with boundary on an immersed Lagrangian submanifold with clean self-intersection. As a consequence, we show that the number of intersections of such holomorphic curves with the…

Symplectic Geometry · Mathematics 2009-03-13 Kai Cieliebak , Tobias Ekholm , Janko Latschev

The paper presents the complete classification of Automorphic Lie Algebras based on $\mathfrak{sl}_n (\mathbb{C})$, where the symmetry group $G$ is finite and the orbit is any of the exceptional $G$-orbits in $\overline{\mathbb{C}}$. A key…

Mathematical Physics · Physics 2019-11-20 Vincent Knibbeler , Sara Lombardo , Jan A. Sanders

The main purpose of this paper is to summarize the basic ingredients, illustrated with examples, of a pseudoholomorphic curve theory for symplectic 4-orbifolds. These are extensions of relevant work of Gromov, McDuff and Taubes on…

Symplectic Geometry · Mathematics 2007-05-23 Weimin Chen

Exponential convergence type results are proved for holomorphic curves in the symplectization of a contact manifold $Y$ with boundary on a Legendrian cylinder. The results are proven in all dimensions, and generalize earlier work specific…

Symplectic Geometry · Mathematics 2022-11-29 Dylan Cant