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Related papers: Reeb flows transverse to foliations

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In this paper, it is proved that under dynamically convex condition, there exist at least $[\frac{n+1}{2}]$ closed Reeb orbits on a closed contact type hypersurface in $T^*S^n$ enclosing the zero section and bounding a simply connected…

Symplectic Geometry · Mathematics 2026-03-10 Huagui Duan , Zihao Qi

We give a uniform lower bound for the polynomial complexity of all Reeb flows on the spherization (S*M,\xi) over a closed manifold. Our measure for the dynamical complexity of Reeb flows is slow volume growth, a polynomial version of…

Dynamical Systems · Mathematics 2013-07-30 Urs Frauenfelder , Clémence Labrousse , Felix Schlenk

In this article, we study the growth rate of Reeb orbits on fiberwise star-shaped hypersurfaces in the cotangent bundle of a closed manifold. We prove that under a suitable topological condition on the base manifold the Reeb flow on any…

Symplectic Geometry · Mathematics 2026-05-13 Rafael Fernandes , Joao Pering

We show that if $\mathcal{F}_1$ and $\mathcal{F}_2$ are two transverse minimal foliations on $M = T^1S$ then either they intersect in an Anosov foliation or there exists a Reeb-surface in the intersection foliation. The existence of a Reeb…

Geometric Topology · Mathematics 2026-05-06 Sergio R. Fenley , Rafael Potrie

We show that $\phi$-invariant submanifolds of metric contact pairs with orthogonal characteristic foliations make constant angles with the Reeb vector fields. Our main result is that for the normal case such submanifolds of dimension at…

Differential Geometry · Mathematics 2015-09-04 Amine Hadjar , Paola Piu

Flows forced by a precessional motion can exhibit instabilities of crucial importance, whether they concern the fuel of a flying object or the liquid core of a telluric planet. So far, stability analyses of these flows have focused on the…

Fluid Dynamics · Physics 2021-01-27 R. Lagrange , P. Meunier , C. Eloy

We show that the Gromov-Hausdorff limit of a sequence of leaves in a compact foliation is a covering space of the limiting leaf which is no larger than this leaf's holonomy cover. We also show that convergence to such a limit is smooth…

Differential Geometry · Mathematics 2013-04-24 Pablo Lessa

We study analytic torsion and eta like invariants on CR contact manifolds of any dimension admitting a circle transverse action, and equipped with a unitary representation. We show that, when defined using the spectrum of relevant operators…

Differential Geometry · Mathematics 2024-10-08 Michel Rumin

In this article we extend results of Grove and Tanaka on the existence of isometry-invariant geodesics to the setting of Reeb flows and strict contactomorphisms. Specifically, we prove that if M is a closed connected manifold with the…

Symplectic Geometry · Mathematics 2014-11-20 Will J. Merry , Kathrin Naef

A flow-spine of a 3-manifold is a spine admitting a flow that is transverse to the spine, where the flow in the complement of the spine is diffeomorphic to a constant flow in an open ball. We say that a contact structure on a closed,…

Geometric Topology · Mathematics 2023-04-04 Ippei Ishii , Masaharu Ishikawa , Yuya Koda , Hironobu Naoe

We give a numerical condition for right-handedness of a dynamically convex Reeb flow on the $3$-sphere. Our condition is stated in terms of an asymptotic ratio between the amount of rotation of the linearised flow and the linking number of…

Dynamical Systems · Mathematics 2025-01-22 Anna Florio , Umberto Hryniewicz

We give a sharp lower bound for the number of geometrically distinct contractible periodic orbits of dynamically convex Reeb flows on prequantizations of symplectic manifolds that are not aspherical. Several consequences of this result are…

Symplectic Geometry · Mathematics 2016-11-03 Miguel Abreu , Leonardo Macarini

In this paper we prove a generalisation of Schlenk's theorem about the existence of contractible periodic Reeb orbits on stable, displaceable hypersurfaces in symplectically aspherical, geometrically bounded, symplectic manifolds, to a…

Symplectic Geometry · Mathematics 2024-05-07 Yannis Bähni

Rabinowitz-Floer homology is the Morse-Bott homology in the sense of Floer associated with the Rabinowitz action functional introduced by Kai Cieliebak and Urs Frauenfelder in 2009. In our work, we consider a generalisation of this theory…

Symplectic Geometry · Mathematics 2023-07-31 Yannis Bähni

In this paper, we study the Birkhoff sections in a 3-manifold foliated by invariant tori. We establish the necessary and sufficient conditions for various types of periodic orbits to serve as boundary orbits of a Birkhoff section. The…

Dynamical Systems · Mathematics 2025-05-13 Wentian Kuang

We show that an overtwisted contact structure on a closed, oriented 3-manifold can be defined by a contact form having a Bott-integrable Reeb flow if and only if the Poincar\'e dual of its Euler class is represented by a graph link.

Symplectic Geometry · Mathematics 2026-03-31 Hansjörg Geiges , Jakob Hedicke , Murat Sağlam

We investigate how two finite-amplitude, transverse, plane body waves may be superposed to propagate in a deformed hyperelastic incompressible solid. We find that the equations of motion reduce to a well-determined system of partial…

Analysis of PDEs · Mathematics 2024-03-05 Michel Destrade , Giuseppe Saccomandi

A contact foliation is a foliation endowed with a leafwise contact structure. In this remark we explain a turbulisation procedure that allows us to prove that tightness is not a homotopy invariant property for contact foliations.

Symplectic Geometry · Mathematics 2017-09-13 Álvaro del Pino

Let Q be a Riemannian manifold such that the Betti numbers of its free loop space with respect to some coefficient field are unbounded. We show that every contact form on its unit contangent bundle supporting the natural contact structure…

Symplectic Geometry · Mathematics 2012-06-20 Mark McLean

Let $X$ be a toric variety and $u$ be a normalized symplectic potential of the corresponding polytope $P$. Suppose that the Riemannian curvature is bounded by 1 and $ \int_{\partial P} u ~ d \sigma < C_1, $ then there exists a constant…

Differential Geometry · Mathematics 2012-07-26 Hongnian Huang
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