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We show that Horrock's criterion for the splitting of vector bundles on $\PP^n$ can be extended to vector bundles on multiprojective spaces and to smooth projective varieties with the weak CM property (see Definition 3.11). As a main tool…

Algebraic Geometry · Mathematics 2007-05-23 L. Costa , R. M. Miró-Roig

In this paper, we study the cohomology of vector bundles on projective space defined as kernels or cokernels of general maps $V_1 \to V_2$, where the $V_i$ are direct sums of line bundles or certain exceptional bundles. We prove an…

Algebraic Geometry · Mathematics 2022-04-22 Izzet Coskun , Jack Huizenga , Geoffrey Smith

We extend the Horrocks correspondence between vector bundles and cohomology modules on the projective plane to the product of two projective lines. We introduce a set of invariants for a vector bundle on the product of two projective lines,…

Algebraic Geometry · Mathematics 2013-01-29 F. Malaspina , A. P. Rao

We explain a method for calculating the cohomology of line bundles on a toric variety in terms of the cohomology of certain constructible sheaves on the polytope. We show its effective use by means of some examples.

Algebraic Geometry · Mathematics 2007-05-23 Nathan Broomhead

In this paper we construct vector bundles associated to monads on $X=\mathbb{P}^n\times\mathbb{P}^n\times\mathbb{P}^m\times\mathbb{P}^m$. We first establish the existence of such monads on $X$. Once the monads exist, the next natural…

Algebraic Geometry · Mathematics 2023-04-04 Damian Maingi

This is a survey article on recent results on vector bundles on symmetric product of non-singular projective curves.

Algebraic Geometry · Mathematics 2017-02-20 D. S. Nagaraj

We prove that holomorphic vector bundles over Stein manifolds with the density property also satisfy the density property, provided that the total space is holomorphically flexible. We apply this result to provide a new class of Stein…

Complex Variables · Mathematics 2024-01-10 Riccardo Ugolini , Joerg Winkelmann

Here we consider the product of varieties with $n$-blocks collections . We give some cohomological splitting conditions for rank 2 bundles. A cohomological characterization for vector bundles is also provided. The tools are Beilinson's type…

Algebraic Geometry · Mathematics 2008-04-02 Edoardo Ballico , Francesco Malaspina

In this paper we study the cohomological criterion for the splitting of vector bundles on multiprojective spaces $\mathbb{P}^{n_1}\times\ldots\times\mathbb{P}^{n_s}$. We also give a generalization of vanishing cohomological criteria for…

Algebraic Geometry · Mathematics 2025-12-01 Damian Maingi

We consider the moduli space of rank two, odd degree, semi-stable Real vector bundles over a real curve, calculating the singular cohomology ring in odd and zero characteristic for most examples.

Symplectic Geometry · Mathematics 2016-07-25 Thomas John Baird

Computing the cohomology of the tensor product of two vector bundles is central in the study of their moduli spaces and in applications to representation theory, combinatorics and physics. These computations play a fundamental role in the…

Algebraic Geometry · Mathematics 2021-08-25 Izzet Coskun , Jack Huizenga , John Kopper

We develop a combinatorial theory of vector bundles with connection on locally ordered simplicial complexes. This is a first step towards a discrete exterior calculus for bundle-valued forms. The basic building block is the discrete…

Differential Geometry · Mathematics 2026-04-24 Daniel Berwick-Evans , Anil N. Hirani , Mark D. Schubel

This paper focuses on the study of a new category of vector bundles. The objects of this category, called chiral vector bundles, are pairs given by a complex vector bundle along with one of its automorphisms. We provide a classification for…

Mathematical Physics · Physics 2018-01-16 Giuseppe De Nittis , Kiyonori Gomi

In this paper we establish the existence of monads on Cartesian products of projective spaces. We construct vector bundles associated to monads on…

Algebraic Geometry · Mathematics 2022-12-19 Damian Maingi

We present equivalences between certain categories of vector bundles on projective varieties, namely cokernel bundles, Steiner bundles, syzygy bundles, and monads, and full subcategories of representations of certain quivers. As an…

Algebraic Geometry · Mathematics 2016-07-05 Marcos Jardim , Daniela M. Prata

We classify all isomorphisms between moduli stacks of vector bundles of fixed determinant on a smooth complex projective of genus at least 4. It is shown that each isomorphism between two different moduli stacks can be described as a…

Algebraic Geometry · Mathematics 2025-11-26 David Alfaya , Indranil Biswas , Tomás L. Gómez

We describe when two multiprojective bundles (fibre products of projective bundles over the same base) over projective spaces are isomorphic as abstract varieties. We also describe when two relative symmetric powers of projective bundles…

Algebraic Geometry · Mathematics 2025-08-25 Ashima Bansal , Supravat Sarkar , Shivam Vats

We show that the cohomology table of any coherent sheaf on projective space is a convergent--but possibly infinite--sum of positive real multiples of the cohomology tables of what we call supernatural sheaves.

Algebraic Geometry · Mathematics 2009-02-11 David Eisenbud , Frank-Olaf Schreyer

Given certain intersection cohomology sheaves on a projective variety with a torus action, we relate the cohomology groups of their tensor product to the cohomology groups of the individual sheaves. We also prove a similar result in the…

Representation Theory · Mathematics 2016-01-20 Asilata Bapat

In this paper an analytic proof of a generalization of a theorem of Bismut ([Bis1, Theorem 5.1]) is given, which says that, when $v$ is a transversal holomorphic vector field on a compact complex manifold $X$ with a zero point set $Y$, the…

Differential Geometry · Mathematics 2007-05-23 Huitao Feng
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