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Related papers: Reeb flows transverse to foliations

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We establish the existence of a secondary Reeb orbit set with quantitative action and linking bounds for any contact form on the standard tight three-sphere admitting the standard transverse positive $T(p,q)$ torus knot as an elliptic Reeb…

Geometric Topology · Mathematics 2025-02-13 Jo Nelson , Morgan Weiler

A contact form on the tight $3$-sphere $(S^3,\xi_0)$ is called weakly convex if the Conley-Zehnder index of every Reeb orbit is at least $2$. In this article, we study Reeb flows of weakly convex contact forms on $(S^3,\xi_0)$ admitting a…

Symplectic Geometry · Mathematics 2024-08-21 Naiara V. de Paulo , Umberto Hryniewicz , Seongchan Kim , Pedro A. S. Salomão

Suppose that $\mathcal F$ is a transversely oriented, codimension one foliation of a connected, closed, oriented 3-manifold. Suppose also that $\mathcal F$ has continuous tangent plane field and is {\sl taut}; that is, closed smooth…

Geometric Topology · Mathematics 2018-03-16 William H. Kazez , Rachel Roberts

We prove that a transversely holomorphic foliation which is transverse to the fibers of a fibration, is a Seifert fibration if the set of compact leaves is not of zero measure. Similarly, we prove that a finitely generated subgroup of…

Complex Variables · Mathematics 2012-03-26 Bruno Scardua

We consider contact foliations: objects which generalise to higher dimensions the flow of the Reeb vector field on contact manifolds. We list a number of properties of such foliations, and propose two conjectures about the topological types…

Symplectic Geometry · Mathematics 2023-05-04 Douglas Finamore

We use Hamiltonian Floer theory to recover and generalize a classic rigidity theorem of Ekelend and Lasry. That theorem can be rephrased as an assertion about the existence of multiple closed Reeb orbits for certain tight contact forms on…

Symplectic Geometry · Mathematics 2019-02-20 Ely Kerman

We develop a forcing theory of topological entropy for Reeb flows in dimension $3$. A transverse link $L$ in a closed contact $3$-manifold $(Y,\xi)$ is said to force topological entropy if $(Y,\xi)$ admits a Reeb flow with vanishing…

Dynamical Systems · Mathematics 2020-04-22 Marcelo R. R. Alves , Abror Pirnapasov

We study the existence of $3-2-1$ foliations adapted to Reeb flows on the tight $3$-sphere. These foliations admit precisely three binding orbits whose Conley-Zehnder indices are $3$, $2$, and $1$, respectively. All regular leaves are disks…

Symplectic Geometry · Mathematics 2023-12-15 Carolina Lemos de Oliveira

We consider a transversally conformal foliation $\mathcal{F}$ of a closed manifold $M$ endowed with a smooth Riemannian metric whose restriction to each leaf is negatively curved. We prove that it satisfies the following dichotomy. Either…

Dynamical Systems · Mathematics 2018-04-12 Sébastien Alvarez , Jiagang Yang

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 this manuscript, we consider a generalisation of this…

Symplectic Geometry · Mathematics 2026-02-02 Yannis Bähni

We extend the classical theory of sphere theorems to the transverse geometry of Riemannian foliations. In this setting, we establish transverse analogues of the Grove-Shiohama diameter sphere theorem and of the Berger-Klingenberg…

Differential Geometry · Mathematics 2026-03-17 Francisco C. Caramello , Francisco A. Neubauer

We consider Reeb flows on the tight $3$-sphere admitting a pair of closed orbits forming a Hopf link. If the rotation numbers associated to the transverse linearized dynamics at these orbits fail to satisfy a certain resonance condition…

Dynamical Systems · Mathematics 2014-04-03 Umberto Hryniewicz , Al Momin , Pedro A. S. Salomão

On every compact, orientable, irreducible 3-manifold V which is toroidal or has torus boundary components we construct a contact 1-form whose Reeb vector field R does not have any contractible periodic orbits and is tangent to the boundary.…

Geometric Topology · Mathematics 2014-11-11 Vincent Colin , Ko Honda

We consider Reeb dynamics on the 3-sphere associated to a tight contact form. Our main result gives necessary and sufficient conditions for a periodic Reeb orbit to bound a disk-like global section for the Reeb flow, when the contact form…

Symplectic Geometry · Mathematics 2019-12-19 Umberto Hryniewicz , Pedro A. S. Salomão

In this paper we prove the existence of infinitely many closed Reeb orbits for a certain class of contact manifolds. This result can be viewed as a contact analogue of the Hamiltonian Conley conjecture. The manifolds for which the contact…

Symplectic Geometry · Mathematics 2014-07-08 Viktor L. Ginzburg , Basak Z. Gurel , Leonardo Macarini

We consider an integrable Hamiltonian system weakly coupled with a pendulum-type system. For each energy level within some range, the uncoupled system is assumed to possess a normally hyperbolic invariant manifold diffeomorphic to a…

Dynamical Systems · Mathematics 2015-02-03 Marian Gidea

Let $M$ be a closed orientable irreducible $3$-manifold such that $\pi_1(M)$ is left orderable. (a) Let $M_0 = M - Int(B^{3})$, where $B^{3}$ is a compact $3$-ball in $M$. We have a process to produce a co-orientable Reebless foliation…

Geometric Topology · Mathematics 2022-09-20 Bojun Zhao

In this paper we use broken book decompositions to study Reeb flows on closed $3$-manifolds. We show that if the Liouville measure of a nondegenerate contact form can be approximated by periodic orbits, then there is a Birkhoff section for…

Dynamical Systems · Mathematics 2023-12-05 Vincent Colin , Pierre Dehornoy , Umberto Hryniewicz , Ana Rechtman

We consider Hamiltonian systems restricted to the hypersurfaces of contact type and obtain a partial version of the Arnold-Liouville theorem: the system not need to be integrable on the whole phase space, while the invariant hypersurface is…

Symplectic Geometry · Mathematics 2014-09-05 Bozidar Jovanovic , Vladimir Jovanovic

Let M be a closed manifold whose based loop space is ``complicated''. Examples are rationally hyperbolic manifolds and manifolds whose fundamental group has exponential growth. We prove that the topological entropy of any Reeb flow on the…

Dynamical Systems · Mathematics 2015-05-19 Leonardo Macarini , Felix Schlenk
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