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We classify nonsingular holomorphic foliations of dimension and codimension one on certain Hopf manifolds. More general, we prove that all nonsingular codimension one distributions on intermediary or generic Hopf manifolds are integrable…

Algebraic Geometry · Mathematics 2018-10-15 Maurício Corrêa , Arturo Fernández-Pérez , Antonio M. Ferreira

The number of singularities, counted with multiplicity, of a generic codimension one holomorphic distribution on a compact toric orbifold is determined. As a consequence, we give the classification of regular distributions on rational…

Complex Variables · Mathematics 2024-02-28 Miguel Rodríguez Peña

We classify holomorphic Pfaff systems (possibly non locally decomposable) on certain Hopf manifolds. As consequence, we prove some integrability results. We also prove that any holomorphic distribution on a general (non-resonance) Hopf…

Algebraic Geometry · Mathematics 2021-01-15 Maurício Corrêa , Antonio M. Ferreira , Misha Verbitsky

Let $K$ be a field of characteristic 0 containing all roots of unity. We classify all the Hopf structures on monomial $K$-coalgebras, or, in dual version, on monomial $K$-algebras.

Quantum Algebra · Mathematics 2007-05-23 Xiao-Wu Chen , Hua-Lin Huang , Yu Ye , Pu Zhang

This paper is devoted to the study of codimension two holomorphic foliations and distributions. We prove the stability of complete intersection of codimension two distributions and foliations in the local case. Converserly we show the…

Dynamical Systems · Mathematics 2016-06-01 Dominique Cerveau , Alcides Lins Neto

We obtain a classification of codimension one holomorphic foliations on $\mathbb P^4$ with degenerate Gauss maps.

Algebraic Geometry · Mathematics 2008-09-17 Thiago Fassarella

We aim to classify codimension 1 foliations $\mathscr{F}$ with canonical singularities and $\nu(K_{\mathscr{F}}) < 3$ on threefolds of general type. We prove a classification result for foliations satisfying these conditions and having…

Algebraic Geometry · Mathematics 2023-03-22 Aleksei Golota

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

We consider holomorphic foliations of dimension $k>1$ and codimension $\geq 1$ in the projective space $\mathbb{P}^n$, with a compact connected component of the Kupka set. We prove that, if the transversal type is linear with positive…

Algebraic Geometry · Mathematics 2018-10-12 Maurício Corrêa , Omegar Calvo-Andrade , Arturo Fernández-Pérez

The aim of this paper is to classify compact, simply connected K\"ahler manifolds which admit totally geodesic, holomorphic complex homothetic foliation by curves.

Differential Geometry · Mathematics 2016-02-25 Wlodzimierz Jelonek

We classify the holomorphic parabolic geometries on compact complex manifolds of general type. We accomplish this by bounding the numerical dimension of any smooth projective variety in terms of geometric invariants of the flag variety…

Differential Geometry · Mathematics 2026-01-06 Benjamin McKay

Let $X$ a projective manifold equipped with a codimension $1$ (maybe singular) distribution whose conormal sheaf is assumed to be pseudoeffective. By a theorem of Jean-Pierre Demailly, this distribution is actually integrable and thus…

Algebraic Geometry · Mathematics 2014-04-29 Frederic Touzet

Let $\mathcal{F}$ be a transversely orientable codimension one minimal foliation without vanishing cycles of a manifold $M$. We show that if the fundamental group of each leaf of $\mathcal{F}$ has polynomial growth of degree $k$ for some…

Geometric Topology · Mathematics 2017-07-19 Tomoo Yokoyama

Let F be a foliation of codimension 2 on a compact manifold with at least one non-compact leaf. We show that then F must contain uncountably many non-compact leaves. We prove the same statement for oriented p-dimensional foliations of…

Geometric Topology · Mathematics 2014-10-01 Elmar Vogt

It is shown that codimension one parabolic foliations of complex manifolds are holomorphic. This is proved using the fact that codimension one foliations of complex manifolds are necessarily locally Monge-Amp\`ere foliations and that…

Complex Variables · Mathematics 2014-03-18 Morris Kalka , Giorgio Patrizio

We study codimension one holomorphic foliations on complex projective spaces and compact manifolds under the assumption that the foliation has a projective transverse structure in the complement of some invariant codimension one analytic…

Dynamical Systems · Mathematics 2010-10-08 Bruno Scardua

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

We study smooth foliations of arbitrary codimension on homogeneous compact K\"ahler manifolds. We prove that smooth foliations on rational compact homogeneous manifolds are locally trivial fibrations and classify the smooth foliations with…

Algebraic Geometry · Mathematics 2015-01-20 Federico Lo Bianco , Jorge Vitorio Pereira

We classify homogeneous polar foliations of codimension two on irreducible symmetric spaces of noncompact type up to orbit equivalence. Any such foliation is either hyperpolar or the canonical extension of a polar homogeneous foliation on a…

Differential Geometry · Mathematics 2024-07-15 José Carlos Díaz-Ramos , Juan Manuel Lorenzo-Naveiro

We study the classification of singularities of holomorphic foliations and non-integrable one-forms under the hypothesis of transversality with real hypersurfaces.

Complex Variables · Mathematics 2010-12-15 Toshikazu Ito , Bruno Scardua
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