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Using the Oh-Schwarz spectral invariants and some arguments of Frauenfelder, Ginzburg, and Schlenk, we show that the \pi_1-sensitive Hofer-Zehnder capacity of any subset of a closed symplectic manifold is less than or equal to its…

Symplectic Geometry · Mathematics 2011-01-27 Michael Usher

We introduce the notion of a symplectic capacity relative to a coisotropic submanifold of a symplectic manifold, and we construct two examples of such capacities through modifications of the Hofer-Zehnder capacity. As a consequence, we…

Symplectic Geometry · Mathematics 2022-09-28 Samuel Lisi , Antonio Rieser

In this paper we consider a geometric variant of Hofer's symplectic energy, which was first considered by Eliashberg and Hofer in connection with their study of the extent to which the interior of a region in a symplectic manifold…

Differential Geometry · Mathematics 2008-02-03 François Lalonde , Dusa McDuff

An action selector associates, in a suitable way, to each compactly supported Hamiltonian on a symplectic manifold an action value of the Hamiltonian. Action selectors are known to exist for a broad class of symplectic manifolds. We show…

Differential Geometry · Mathematics 2007-05-23 Urs Frauenfelder , Viktor Ginzburg , Felix Schlenk

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

We introduce the concept of pseudo symplectic capacities which is a mild generalization of that of symplectic capacities. As a generalization of the Hofer-Zehnder capacity we construct a Hofer-Zehnder type pseudo symplectic capacity and…

Symplectic Geometry · Mathematics 2007-05-23 Guangcun Lu

For a convex domain in the standard Euclidean symplectic space which is invariant under a linear anti-symplectic involution $\tau$ we show that its Ekeland-Hofer-Zehnder capacity is equal to the $\tau$-symmetrical symplectic capacity of it.

Symplectic Geometry · Mathematics 2020-08-04 Kun Shi , Guangcun Lu

We use the minimal coupling procedure of Sternberg and Weinstein and our pseudo-symplectic capacity theory to prove that every closed symplectic submanifold in any symplectic manifold has an open neighborhood with finite ($\pi_1$-sensitive)…

Symplectic Geometry · Mathematics 2009-09-29 Guangcun Lu

For any nonempty, compact and fiberwise convex set $K$ in $T^*\mathbb{R}^n$, we prove an isomorphism between symplectic homology of $K$ and a certain relative homology of loop spaces of $\mathbb{R}^n$. We also prove a formula which computes…

Symplectic Geometry · Mathematics 2021-06-15 Kei Irie

A long-standing conjecture states that all normalized symplectic capacities coincide on the class of convex subsets of ${\mathbb R}^{2n}$. In this note we focus on an asymptotic (in the dimension) version of this conjecture, and show that…

Symplectic Geometry · Mathematics 2015-09-08 Efim D. Gluskin , Yaron Ostrover

In this paper, we first introduce the concept of symmetrical symplectic capacity for symmetrical symplectic manifolds, and by using this symmetrical symplectic capacity theory we prove that there exists at least one symmetric closed…

Symplectic Geometry · Mathematics 2010-11-25 Chungen Liu , Qi Wang

We prove the elementary but surprising fact that the Hofer distance between two closed subsets of a symplectic manifold can be expressed in terms of the restrictions of Hamiltonians to one of the subsets; this helps explain certain…

Symplectic Geometry · Mathematics 2016-08-10 Michael Usher

In this paper, we construct an $S^1$-equivariant version of the relative symplectic cohomology developed by Varolgunes. As an application, we construct a relative version of Gutt-Hutchings capacities and a relative version of symplectic…

Symplectic Geometry · Mathematics 2024-10-07 Jonghyeon Ahn

This paper continues to carry out a foundational study of Banyaga topologies of a closed symplectic manifold [3]. Our intension in writing this paper is to provide several symplectic analogues of some results found in the study of…

Symplectic Geometry · Mathematics 2016-02-19 Stéphane Tchuiaga

We prove a new variant of the energy-capacity inequality for closed rational symplectic manifolds (as well as certain open manifolds such as cotangent bundle of closed manifolds...) and we derive some consequences to C^0-symplectic…

Symplectic Geometry · Mathematics 2021-11-30 Vincent Humilière , Rémi Leclercq , Sobhan Seyfaddini

The Hofer-Zehnder theorem states that almost every hypersurface in a thickening of a hypersurface $S$ in a symplectic manifold $(M,\omega)$ carries a closed characteristic provided that $S$ bounds a compact submanifold and $(M,\omega)$ has…

Symplectic Geometry · Mathematics 2007-05-23 Leonardo Macarini , Felix Schlenk

We use Floer homology to study the Hofer-Zehnder capacity of neighborhoods near a closed symplectic submanifold M of a geometrically bounded and symplectically aspherical ambient manifold. We prove that, when the unit normal bundle of M is…

Symplectic Geometry · Mathematics 2014-11-11 Ely Kerman

We introduce a new coisotropic Hofer-Zehnder capacity and use it to prove an energy-capacity inequality for displaceable Lagrangians.

Symplectic Geometry · Mathematics 2025-10-31 Samuel Lisi , Antonio Rieser

While symplectic manifolds have no local invariants, they do admit many global numerical invariants. Prominent among them are the so-called symplectic capacities. Different capacities are defined in different ways, and so relations between…

Symplectic Geometry · Mathematics 2007-05-23 K. Cieliebak , H. Hofer , J. Latschev , F. Schlenk

This paper defines symplectic scale manifolds based on Hofer-Wysocki-Zehnder's scale calculus. We introduce Hamiltonian vector fields and flows on these by narrowing down sc-smoothness to what we denote by strong sc-smoothness, a concept…

Symplectic Geometry · Mathematics 2018-01-17 João Bernardo Crespo , Oliver Fabert
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