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On a symplectic manifold, there is a natural elliptic complex replacing the de Rham complex. It can be coupled to a vector bundle with connection and, when the curvature of this connection is constrained to be a multiple of the symplectic…

Differential Geometry · Mathematics 2017-09-12 Michael Eastwood , Jan Slovak

We apply techniques from symplectic geometry to extend and give a new proof of the complex convexity theorem of Gindikin-Kroetz.

Symplectic Geometry · Mathematics 2007-05-23 Bernhard Kroetz , Michael Otto

This note collects a number of standard statements in Riemannian geometry and in Sobolev-space theory that play a prominent role in analytic approaches to symplectic topology. These include relations between connections and complex…

Symplectic Geometry · Mathematics 2010-12-20 Aleksey Zinger

A symplectic structure is canonically constructed on any manifold endowed with a topological linear k-system whose fibers carry suitable symplectic data. As a consequence, the classification theory for Lefschetz pencils in the context of…

Symplectic Geometry · Mathematics 2007-05-23 Robert E Gompf

We present a new approach for constructing covariant symplectic structures for geometrical theories, based on the concept of adjoint operators. Such geometric structures emerge by direct exterior derivation of underlying symplectic…

Mathematical Physics · Physics 2016-09-07 R. Cartas-Fuentevilla

For a given spectral curve, we construct a family of symplectic dual spectral curves for which we prove an explicit formula expressing the $n$-point functions produced by the topological recursion on these curves via the $n$-point functions…

Mathematical Physics · Physics 2025-01-22 Alexander Alexandrov , Boris Bychkov , Petr Dunin-Barkowski , Maxim Kazarian , Sergey Shadrin

We define the concept of symplectic foliation on a symplectic manifold and provide a method of constructing many examples, by using asymptotically holomorphic techniques.

Symplectic Geometry · Mathematics 2007-05-23 Omegar Calvo , Vicente Munoz , Francisco Presas

This paper defines a symplectic form on the infinite dimensional Fr\'echet manifold of framed curves of fixed length over a simply connected Riemannian manifold of constant curvature. The paper then considers Hamiltonian systems generated…

Symplectic Geometry · Mathematics 2007-08-10 Velimir Jurdjevic

In symplectic topology one uses elliptic methods to prove rigidity results about symplectic manifolds and solutions of Hamiltonian equations on them, where the most basic example is given by geodesics on Riemannian manifolds. Harmonic maps…

Symplectic Geometry · Mathematics 2025-09-30 Ronen Brilleslijper , Oliver Fabert

The notions of holomorphic symplectic structures and hypercomplex structures on Courant algebroids are introduced and then proved to be equivalent. These generalize hypercomplex triples and holomorphic symplectic 2-forms on manifolds…

Differential Geometry · Mathematics 2015-08-12 Wei Hong , Mathieu Stiénon

On a closed symplectic surface Sigma of genus two or more, we give a new construction of an extended flux map (a crossed homomorphism from the symplectomorphism group Symp(Sigma) to the cohomology group H^1(Sigma;R) that extends the flux…

Geometric Topology · Mathematics 2009-09-04 Matthew B. Day

In the 1980s, Neumann and Zagier introduced a symplectic vector space associated to an ideal triangulation of a cusped 3-manifold, such as a knot complement. We give a geometric interpretation for this symplectic structure in terms of the…

Geometric Topology · Mathematics 2025-09-01 Daniel V. Mathews , Jessica S. Purcell

We present a survey of some results and questions related to the notion of scalar curvature in the setting of symplectic supermanifolds.

Differential Geometry · Mathematics 2018-05-11 Rosalía Hernández-Amador , Juan Monterde , José A Vallejo

A symplectic form is called hyperbolic if its pull-back to the universal cover is a differential of a bounded one-form. The present paper is concerned with the properties and constructions of manifolds admitting hyperbolic symplectic forms.…

Symplectic Geometry · Mathematics 2007-11-27 Jarek Kedra

We study the fields of endomorphisms intertwining pairs of symplectic structures. Using these endomorphisms we prove an analogue of Moser's theorem for simultaneous isotopies of two families of symplectic forms. We also consider the…

Symplectic Geometry · Mathematics 2008-05-15 G. Bande , D. Kotschick

This is a survey article on symplectically aspherical manifolds. The paper contains a discussion on constructions of symplectically aspherical manifolds, their topological properties and the role of this class in symplectic topology.…

Symplectic Geometry · Mathematics 2008-09-02 Jarek Kedra , Yuli Rudyak , Aleksy Tralle

In this article, we compute the topological expansion of all possible mixed-traces in a hermitian two matrix model. In other words we give a recipe to compute the number of discrete surfaces of given genus, carrying an Ising model, and with…

High Energy Physics - Theory · Physics 2009-11-13 Bertrand Eynard , Nicolas Orantin

We construct a symplectic structure on a disc that admits a compactly supported symplectomorphism which is not smoothly isotopic to the identity. The symplectic structure has an overtwisted concave end; the construction of the…

Symplectic Geometry · Mathematics 2017-03-17 Roger Casals , Ailsa Keating , Ivan Smith

For oriented surfaces $\Sigma$ with boundary, we consider the infinite-dimensional deformation space of projective structures on $\Sigma$ with nondegenerate boundary, up to isotopies fixing the boundary. We show that this space carries a…

Symplectic Geometry · Mathematics 2026-01-15 Ahmadreza Khazaeipoul , Eckhard Meinrenken

We study the geometry of manifolds carrying symplectic pairs consisting of two closed 2-forms of constant ranks, whose kernel foliations are complementary. Using a variation of the construction of Boothby and Wang we build…

Symplectic Geometry · Mathematics 2007-05-23 G. Bande , D. Kotschick
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