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We characterise which simplicial surfaces can be folded onto a triangle. We define a notion of folding that incorporates the non-intersection-properties of real materials. All of the surfaces foldable onto a triangle admit a…

Combinatorics · Mathematics 2019-04-30 Markus Baumeister

We define the concept of symplectic foliation on a symplectic manifold and provide a method of constructing many examples, by using asymptotically holomorphic techniques.

Symplectic Geometry · Mathematics 2007-05-23 Omegar Calvo , Vicente Munoz , Francisco Presas

We study transversely Lorentzian foliations on the closed 3-manifolds. We classify them under a completeness hypothesis and we deduce the dual classification of codimension 1 geodesically complete timelike totally geodesic foliations.…

Differential Geometry · Mathematics 2007-05-23 C. Boubel , P. Mounoud , C. Tarquini

A holomorphic foliation is defined as an integrable coherent subsheaf of the tangent sheaf. The structure of the leaves around a singularity is read off from the structure of the stalks. This was done by Baum when the dimension of the…

alg-geom · Mathematics 2008-02-03 Sinan Sertoz

A regular Poisson manifold can be described as a foliated space carrying a tangentially symplectic form. Examples of foliations are produced here that are not induced by any Poisson structure although all the basic obstructions vanish.

Differential Geometry · Mathematics 2007-05-23 Melanie Bertelson

This is a book on derived foliations, that are a generalisation of classical foliations in the context of derived geometry. The text starts with the basic definitions and constructions, then explore foliated cohomology (with crystal…

Algebraic Geometry · Mathematics 2025-07-31 Bertrand Toen , Gabriele Vezzosi

On an orientable manifold M, we consider a regular even dimensional foliation F which is globally defined by a set of k-independent 1-forms. We give necessary and sufficient conditions for the existence of a regular Poisson structure on M…

Differential Geometry · Mathematics 2015-12-17 Rubén Flores-Espinoza , Misael Avendaño-Camacho

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 construct a type of transverse deformations of a Vaisman manifold, which preserves the canonical foliation. For this construction we only need a basic 1-form with certain properties. We show that such basic 1-forms exist in abundance.

Differential Geometry · Mathematics 2022-04-05 Liviu Ornea , Vladimir Slesar

We investigate transverse Ricci solitons, the self-similar solutions of the transverse Ricci flow, on a compact foliated manifold. In particular, we show the relations between a taut Riemannian foliation and a transverse Ricci soliton.…

Differential Geometry · Mathematics 2024-03-22 Seungsu Hwang , Seoung Dal Jung , Jungwoo Moon

We study codimension one (transversally oriented) foliations $\fa$ on oriented closed manifolds $M$ having non-empty compact singular set $\sing(\fa)$ which is locally defined by Bott-Morse functions. We prove that if the transverse type of…

Differential Geometry · Mathematics 2007-05-23 Bruno Scardua , Jose Seade

A smooth foliation is Riemannian when its leaves are locally equidistant. The closures of the leaves of a Riemannian foliation on a simply connected manifold, or more generally of a Killing foliation, are described by flows of transverse…

Differential Geometry · Mathematics 2022-10-05 Marcos M. Alexandrino , Francisco C. Caramello

We show that any noncompact oriented surface is homeomorphic to the leaf of a minimal foliation of a closed $3$-manifold. These foliations are (or are covered by) suspensions of continuous minimal actions of surface groups on the circle.…

Geometric Topology · Mathematics 2023-09-27 Paulo Gusmão , Carlos Meniño Cotón

The purpose of this paper is to study singular holomorphic foliations of arbitrary codimension defined by logarithmic forms on projective spaces.

Complex Variables · Mathematics 2018-03-26 Dominique Cerveau , Alcides Lins Neto

Let $M$ be an even-dimensional, oriented closed manifold. We show that the restriction of a singular Riemannian flow on $M$ to a small tubular neighborhood of each connected component of its singular stratum is foliated-diffeomorphic to an…

Differential Geometry · Mathematics 2021-01-28 Igor Prokhorenkov , Ken Richardson

We study the geometry of the leaf closure space of regular and singular Riemannian foliations. We give conditions which assure that this leaf space is a singular symplectic or K\"ahler space.

Differential Geometry · Mathematics 2007-05-23 Robert Wolak

A co-oriented foliation F of an oriented 3-manifold M is taut if and only if there is a map from M to the 2-sphere whose restriction to every leaf is a branched cover.

Geometric Topology · Mathematics 2021-11-10 Danny Calegari

In this paper we classify codimension 1 Mukai foliations on complex projective manifolds

Algebraic Geometry · Mathematics 2014-04-21 Carolina Araujo , Stéphane Druel

We define a class of nonsingular holomorphic foliations on compact complex tori which generalizes (in higher codimension) the turbulent foliations of codimension one constructed by Ghys. For those smooth turbulent foliations we prove that…

Differential Geometry · Mathematics 2025-10-03 Indranil Biswas , Sorin Dumitrescu

We study conformal structure and topology of leaves of singular foliations by Riemann surfaces.

Complex Variables · Mathematics 2016-12-02 Nessim Sibony , Erlend Fornæss Wold