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We study multisymplectic structures taking values in vector bundles with connections from the viewpoint of the Hamiltonian symmetry. We introduce the notion of bundle-valued $n$-plectic structures and exhibit some properties of them. In…

Symplectic Geometry · Mathematics 2023-12-06 Yuji Hirota , Noriaki Ikeda

Previously work of the author with Meier and Starkston showed that every closed symplectic manifold $(X,\omega)$ with a rational symplectic form admits a trisection compatible with the symplectic topology. In this paper, we describe the…

Geometric Topology · Mathematics 2024-03-11 Peter Lambert-Cole

Certain dissipative physical systems closely resemble Hamiltonian systems in $\mathbb{R}^{2n}$, but with the canonical equation for one of the variables in each conjugate pair rescaled by a real parameter. To generalise these dynamical…

Symplectic Geometry · Mathematics 2017-08-08 David S. Tourigny

In this paper we study geometry of symmetric torsion-free connections which preserve a given symplectic form

dg-ga · Mathematics 2008-02-03 Israel Gelfand , Vladimir Retakh , M. Shubin

We introduce the concept of fittings to symplectic fillings of the unit cotangent bundle of odd-dimensional spheres. Assuming symplectic asphericity we show that all fittings are diffeomorphic to the respective unit co-disc bundle.

Symplectic Geometry · Mathematics 2019-12-30 Myeonggi Kwon , Kai Zehmisch

We study the Euler-Lagrange cohomology and explore the symplectic or multisymplectic geometry and their preserving properties in classical mechanism and classical field theory in Lagrangian and Hamiltonian formalism in each case…

High Energy Physics - Theory · Physics 2007-05-23 H. Y. Guo , Y. Q. Li , K. Wu , S. K. Wang

We introduce volume forms on mapping stacks in derived algebraic geometry using a parametrized version of the Reidemeister-Turaev torsion. In the case of derived loop stacks we describe this volume form in terms of the Todd class. In the…

Algebraic Geometry · Mathematics 2023-08-17 Florian Naef , Pavel Safronov

We study smooth projective varieties with small dual variety using methods from symplectic topology. We prove the affine parts of such varieties are subcritical, and that the hyperplane class is invertible in their quantum cohomology. We…

Algebraic Geometry · Mathematics 2012-06-29 Paul Biran , Yochay Jerby

We prove that, for any n, there are simply-connected four-manifolds which admit n-tuples of symplectic forms whose first Chern classes have pairwise different divisibilities in integral cohomology. It follows that the moduli space of…

Symplectic Geometry · Mathematics 2007-05-23 Ivan Smith

The purpose of this article is to develop an algebraic approach to the problem of integrable classification of differential-difference equations with one continuous and two discrete variables. As a classification criterion, we put forward…

Exactly Solvable and Integrable Systems · Physics 2021-08-11 I. T. Habibullin , A. R. Khakimova

In the present paper, we define the concept of a \( q \)-cosymplectic manifold, on which we study the Hamiltonian, gradient, local gradient, and \( q \)-evolution vector fields. Several Liouville--Arnold-type theorems and a \( q…

Mathematical Physics · Physics 2025-09-09 Melvin Leok , Cristina Sardón , Xuefeng Zhao

We construct, for each convex polytope, possibly nonrational and nonsimple, a family of compact spaces that are stratified by quasifolds, i.e. each of these spaces is a collection of quasifolds glued together in an suitable way. A quasifold…

Symplectic Geometry · Mathematics 2007-05-23 Fiammetta Battaglia

Our purpose is to use a Darboux homogenous derivative to understand the harmonic maps with values in homogeneous space. We present a characterization of these harmonic maps from the geometry of homogeneous space. Furthermore, our work…

Differential Geometry · Mathematics 2015-08-31 Alexandre J. Santana , Simão N. Stelmastchuk

We consider strong symplectic fillings of the unit cotangent bundle of a hyperbolic surface, equipped with its canonical contact structure. We show that every finitely presentable group can be realised as the fundamental group of such a…

Symplectic Geometry · Mathematics 2025-12-17 Hansjörg Geiges , Kai Zehmisch

We describe the symplectic structure and Hamiltonian dynamics for a class of Grassmannian manifolds. Using the two dimensional sphere ($S^2$) and disc ($D^2$) as illustrative cases, we write their path integral representations using…

High Energy Physics - Theory · Physics 2010-11-01 S. G. Rajeev , S. Kalyana Rama , Siddhartha Sen

In this note, we extend to the singular case some results on the birational geometry of irreducible holomorphic symplectic manifolds.

Algebraic Geometry · Mathematics 2023-04-19 Christian Lehn , Giovanni Mongardi , Gianluca Pacienza

In this paper, we study a slant submanifold of a complex space form. We also obtain an integral formula of Simons' type for a Kaehlerian slant submanifold in a complex space form and apply it to prove our main result.

Differential Geometry · Mathematics 2020-06-09 Aliya Naaz Siddiqui , Mohammad Jamali , Mohammad Hasan Shahid

This paper is a contribution to piecewise linear (PL) symplectic topology. We define the notion of PL symplectic manifold as being a combinatorial manifold endowed with a piecewise constant Whitney symplectic form and investigate possible…

Differential Geometry · Mathematics 2024-06-27 Mélanie Bertelson , Julie Distexhe

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

We study Hamiltonian actions on $b$-symplectic manifolds with a focus on the effective case of half the dimension of the manifold. In particular, we prove a Delzant-type theorem that classifies these manifolds using polytopes that reside in…

Symplectic Geometry · Mathematics 2018-03-26 Victor Guillemin , Eva Miranda , Ana Rita Pires , Geoffrey Scott