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We establish a connection between Gromov-Witten invariants and the number of fixed points of Hamiltonian diffeomorphisms on a closed rational symplectic manifold via deformed Hamiltonian spectral invariants. We generalize Givental's…

Symplectic Geometry · Mathematics 2025-12-23 Wenmin Gong

We define the symplectic displacement energy of a non-empty subset of a compact symplectic manifold as the infimum of the Hofer-like norm [5] of symplectic diffeomorphisms that displace the set. We show that this energy (like the usual…

Symplectic Geometry · Mathematics 2019-11-18 Augustin Banyaga , David E. Hurtubise , Peter Spaeth

In this paper we will prove that for a compact, symplectic manifold $(M, \omega)$ and for $\omega$-compatible almost-complex structure J any properly perturbed J-holomorphic curve has a non-negative symplectic area. This non-negative…

Symplectic Geometry · Mathematics 2007-05-23 Pawel Felcyn

We show that, on a closed semipositive symplectic manifold with semisimple quantum homology, any Hamiltonian diffeomorphism possessing more contractible fixed points, counted homologically, than the total Betti number of the manifold, must…

Symplectic Geometry · Mathematics 2026-04-10 Marcelo S. Atallah , Han Lou

We prove that manifolds admitting a Riemannian metric for which products of harmonic forms are harmonic satisfy strong topological restrictions, some of which are akin to properties of flat manifolds. Others are more subtle, and are related…

Differential Geometry · Mathematics 2007-05-23 D. Kotschick

We give a definition of symplectic homology for pairs of filled Liouville cobordisms, and show that it satisfies analogues of the Eilenberg-Steenrod axioms except for the dimension axiom. The resulting long exact sequence of a pair…

Symplectic Geometry · Mathematics 2018-05-02 Kai Cieliebak , Alexandru Oancea

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 show that the exterior derivative operator on a symplectic manifold has a natural decomposition into two linear differential operators, analogous to the Dolbeault operators in complex geometry. These operators map primitive forms into…

Symplectic Geometry · Mathematics 2012-10-02 Li-Sheng Tseng , Shing-Tung Yau

Given a closed symplectic manifold $(M,\omega)$ we introduce a certain quantity associated to a tuple of conjugacy classes in the universal cover of the group ${\hbox{\it Ham}} (M,\omega)$ by means of the Hofer metric on ${\hbox{\it Ham}}…

Symplectic Geometry · Mathematics 2009-10-31 Michael Entov

In this paper, we introduce the notions of $p$-Hermitian-symplectic and $p$-pluriclosed compact complex manifolds as generalisations for an arbitrary positive integer $p$ not exceeding the complex dimension of the manifold of the standard…

Differential Geometry · Mathematics 2018-09-05 Houda Bellitir

We show that there is an hierarchy of intersection rigidity properties of sets in a closed symplectic manifold: some sets cannot be displaced by symplectomorphisms from more sets than the others. We also find new examples of rigidity of…

Symplectic Geometry · Mathematics 2014-01-14 Michael Entov , Leonid Polterovich

In the companion paper arXiv:2110.05298, we developed the deformation theory of symplectic foliations, focusing on geometric aspects. Here, we address some algebraic questions that arose naturally. We show that the $L_{\infty}$-algebra…

Symplectic Geometry · Mathematics 2023-05-02 Stephane Geudens , Alfonso G. Tortorella , Marco Zambon

We give a classification of generic coadjoint orbits for the groups of symplectomorphisms and Hamiltonian diffeomorphisms of a closed symplectic surface. We also classify simple Morse functions on symplectic surfaces with respect to actions…

Symplectic Geometry · Mathematics 2016-03-30 Anton Izosimov , Boris Khesin , Mehdi Mousavi

We show that every de Rham cohomology class on the total space of a symplectic fiber bundle with closed Lefschetz fibers, admits a Poisson harmonic representative in the sense of Brylinski. The proof is based on a new characterization of…

Symplectic Geometry · Mathematics 2011-04-21 Oliver Ebner , Stefan Haller

The immersions of a smooth manifold $M$ in a symplectic manifold $(N,\sigma)$ inducing a given closed form $\omega$ on $M$ satisfy the $C^0$-dense $h$-principle in the space of all continuous maps which pull back the deRham cohomology class…

Differential Geometry · Mathematics 2010-09-28 Mahuya Datta , Md. Rabiul Islam

The symplectic Floer homology HF_*(f) of a symplectomorphism f:S->S encodes data about the fixed points of f using counts of holomorphic cylinders in R x M_f, where M_f is the mapping torus of f. We give an algorithm to compute HF_*(f) for…

Symplectic Geometry · Mathematics 2014-11-11 Andrew Cotton-Clay

We introduce a homothetic extension of classical Weyl integrable geometry by generalizing the usual linear gauge transformations to affine homothetic transformations centered at a distinguished harmonic, scale-invariant form $\alpha_d$.…

Mathematical Physics · Physics 2026-03-31 Fereidoun Sabetghadam

We construct a family version of symplectic Floer cohomology for magnetic cotangent bundles, without any restrictions on the magnetic form, using the dissipative method for compactness introduced in \cite{Groman2015}. As an application, we…

Symplectic Geometry · Mathematics 2022-01-10 Yoel Groman , Will J. Merry

Frames provide redundant, stable representations of data which have important applications in signal processing. We introduce a connection between symplectic geometry and frame theory and show that many important classes of frames have…

Functional Analysis · Mathematics 2021-08-11 Tom Needham , Clayton Shonkwiler

We develop a geometric framework that characterizes the synchronization problem --- the problem of consistently registering or aligning a collection of objects. The theory we formulate characterizes the cohomological nature of…

Statistics Theory · Mathematics 2019-05-15 Tingran Gao , Jacek Brodzki , Sayan Mukherjee
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