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We classify fourfolds with trivial canonical bundle which are zero loci of general global sections of completely reducible equivariant vector bundles over exceptional homogeneous varieties of Picard number one. By computing their Hodge…

Algebraic Geometry · Mathematics 2024-11-12 Eunjeong Lee , Kyeong-Dong Park

In this paper we describe a physical realization of a family of non-compact Kahler threefolds with trivial canonical bundle in hybrid Landau-Ginzburg models, motivated by some recent non-Kahler solutions of Strominger systems, and utilizing…

High Energy Physics - Theory · Physics 2019-01-30 Zhuo Chen , Tony Pantev , Eric Sharpe

We study complex solvmanifolds $\Gamma\backslash G$ with holomorphically trivial canonical bundle. We show that the trivializing section of this bundle can be either invariant or non-invariant by the action of $G$. First we characterize the…

Differential Geometry · Mathematics 2024-07-11 Adrián Andrada , Alejandro Tolcachier

The classical Beauville-Bogomolov Decomposition Theorem asserts that any compact K\"ahler manifold with numerically trivial canonical bundle admits an \'etale cover that decomposes into a product of a torus, and irreducible,…

Algebraic Geometry · Mathematics 2016-11-08 Daniel Greb , Stefan Kebekus , Thomas Peternell

We study rank $1$ flat bundles over solvmanifolds whose cohomologies are non-trivial. By using Hodge theoretical properties for all topologically trivial rank $1$ flat bundles, we represent the structure theorem of K\"ahler solvmanifolds as…

Differential Geometry · Mathematics 2014-11-18 Hisashi Kasuya

We consider the union of certain irreducible components of cohomological support loci of the canonical bundle, which we call standard. We prove a structure theorem about them and single out some particular cases, recovering and improving…

Algebraic Geometry · Mathematics 2016-10-17 Giuseppe Pareschi

We determine the 6-dimensional solvmanifolds admitting an invariant complex structure with holomorphically trivial canonical bundle. Such complex structures are classified up to isomorphism, and the existence of strong K\"ahler with torsion…

Differential Geometry · Mathematics 2015-04-02 Anna Fino , Antonio Otal , Luis Ugarte

We study the class of compact K\"ahler manifolds with trivial canonical bundle and the property that the cohomology of the trivial line bundle is generated by one element. If the square of the generator is zero, we get the class of strict…

Algebraic Geometry · Mathematics 2016-04-13 Andreas Krug

We prove that smooth, projective, $K$-trivial, weakly ordinary varieties over a perfect field of characteristic $p>0$ are not geometrically uniruled. We also show a singular version of our theorem, which is sharp in multiple aspects. Our…

Algebraic Geometry · Mathematics 2020-09-11 Zsolt Patakfalvi , Maciej Zdanowicz

We give an algebraic characterisation for the triviality of the canonical bundle of a complex supermanifold in terms of a certain Batalin-Vilkovisky superalgebra structure. As an application, we study the Calabi-Yau case, in which an…

Mathematical Physics · Physics 2016-07-27 Josua Groeger

In this note we show that if a compact Kahler manifold with trivial canonical bundle is the total space of a holomorphic fibration without singular fibers, then the fibration is a holomorphic fiber bundle. In the algebraic case, the…

Algebraic Geometry · Mathematics 2014-11-07 Valentino Tosatti , Yuguang Zhang

A nilmanifold is a quotient of a nilpotent group $G$ by a co-compact discrete subgroup. A complex nilmanifold is one which is equipped with a $G$-invariant complex structure. We prove that a complex nilmanifold has trivial canonical bundle.…

Differential Geometry · Mathematics 2009-07-14 Maria Laura Barberis , Isabel G. Dotti , Misha Verbitsky

Let M be a (bounded or not) domain of C^n which is complete with respect to a K\"ahler metric, or more generally, a complete K\"ahler manifold with trivial canonical bundle. Let f be a linearly nondegenerate meromorphic map from M to the…

Complex Variables · Mathematics 2017-11-13 Do Duc Thai , Duc-Viet Vu

Four-folds with trivial canonical bundles are divided into six classes according to their holonomy group. We consider examples that are fibred by abelian surfaces over the projective plane. We construct such fibrations in five of the six…

Algebraic Geometry · Mathematics 2015-12-01 Justin Sawon

We classify all the $6$-dimensional unimodular Lie algebras $\mathfrak{g}$ admitting a complex structure with non-zero closed $(3,0)$-form. This gives rise to $6$-dimensional compact homogeneous spaces $M=\Gamma\backslash G$, where $\Gamma$…

Differential Geometry · Mathematics 2023-05-05 A. Otal , L. Ugarte

On compact K\"{a}hler manifolds, we classify regular holomorphic foliations of codimension 1 whose canonical bundle is numerically trivial.

Differential Geometry · Mathematics 2007-05-23 Frederic Touzet

We give a representation of canonical vector bundles over Grassmannian manifolds as non-compact affine symmetric spaces as well as their Cartan model in the group of the Euclidean motions.

Differential Geometry · Mathematics 2007-11-13 Bozidar Jovanovic

For any admissible subcategory of the bounded derived category of coherent sheaves on a smooth proper variety, we prove that sections of the canonical bundle impose a strong constraint on the supports of the objects of the subcategory or…

Algebraic Geometry · Mathematics 2018-09-05 Kotaro Kawatani , Shinnosuke Okawa

We study holomorphic geometric structures on non-K\"ahler compact complex manifolds with trivial canonical line bundle. For Vaisman Calabi-Yau manifolds we prove that all holomorphic geometric structures of affine type on them are locally…

Differential Geometry · Mathematics 2026-05-22 Indranil Biswas , Sorin Dumitrescu

We give a negative answer to a question posed by Severi in 1951, whether the Abelian Varieties are the only projective manifolds with trivial Chern classes. By Yau' s celebrated result, compact K\"ahler manifolds with trivial Chern classes…

Algebraic Geometry · Mathematics 2023-02-06 Fabrizio Catanese
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