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We study the problem of when a topological vector bundle on a smooth complex affine variety admits an algebraic structure. We prove that all rank $2$ topological complex vector bundles on smooth affine quadrics of dimension $11$ over the…

Algebraic Geometry · Mathematics 2017-06-07 Aravind Asok , Jean Fasel

We discuss algebraic vector bundles on smooth k-schemes X contractible from the standpoint of A^1-homotopy theory; when k = C, the smooth manifolds X(C) are contractible as topological spaces. The integral algebraic K-theory and integral…

Algebraic Geometry · Mathematics 2007-10-22 Aravind Asok , Brent Doran

The classification of algebraic vector bundles of rank 2 over smooth affine fourfolds is a notoriously difficult problem. Isomorphism classes of such vector bundles are not uniquely determined by their Chern classes, in contrast to the…

Algebraic Geometry · Mathematics 2025-07-29 Thomas Brazelton , Morgan Opie , Tariq Syed

We construct smooth rational real algebraic varieties of every dimension $\ge$ 4 which admit infinitely many pairwise non-isomorphic real forms.

Algebraic Geometry · Mathematics 2018-07-17 Adrien Dubouloz , Gene Freudenburg , Lucy Moser-Jauslin

We give a concrete description of the category of G-equivariant vector bundles on certain affine G-varieties (where G is a reductive linear algebraic group over an algebraically closed field of characteristic 0) in terms of linear algebra…

Algebraic Geometry · Mathematics 2007-05-23 Aravind Asok

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

A stratified space is a kind of topological space together with a partition into smooth manifolds. These kinds of spaces naturally arise in the study of singular algebraic varieties, symplectic reduction, and differentiable stacks. In this…

Differential Geometry · Mathematics 2024-01-17 Ethan Ross

We study flat vector bundles over complex parallelizable manifolds.

Algebraic Geometry · Mathematics 2009-09-25 Jörg Winkelmann

We describe categories of equivariant vector bundles on certain toroidal spherical varieties in linear algebra terms: vector spaces equipped with filtrations, group and Lie algebra actions, and linear maps preserving these structures.

Algebraic Geometry · Mathematics 2009-08-28 Aravind Asok , James Parson

We show that the category of affine bundles over a smooth manifold M is equivalent to the category of affine spaces modelled on projective finitely generated C^\infty(M)-modules. Using this equivalence of categories, we are able to give an…

Differential Geometry · Mathematics 2012-01-30 Thomas Leuther

We study the logarithmic vector bundles associated to arrangements of smooth irreducible curves with small degree on the blow-up of the projective plane at one point. We then investigate whether they are Torelli arrangements, that is, they…

Algebraic Geometry · Mathematics 2023-02-21 Sukmoon Huh , Min-Gyo Jeong

Every $\mathbb{A}^{1}-$bundle over the complex affine plane punctured at the origin, is trivial in the differentiable category but there are infinitely many distinct isomorphy classes of algebraic bundles. Isomorphy types of total spaces of…

Algebraic Geometry · Mathematics 2011-06-16 Adrien Dubouloz , David R. Finston

We study the spaces of stable real and quaternionic vector bundles on a real algebraic curve. The basic relationship is established with unitary representations of an extension Z/2 by the fundamental group. By comparison with the space of…

Algebraic Geometry · Mathematics 2009-04-03 Indranil Biswas , Johannes Huisman , Jacques C. Hurtubise

We desribe vector bundles over a class of noncommutative curves, namely, over noncommutative nodal curves of string type and of almost string type. We also prove that in other cases the classification of vector bundles over a noncommutative…

Algebraic Geometry · Mathematics 2015-01-27 Yuriy A. Drozd , Denys E. Voloshyn

We investigate stratified-algebraic vector bundles on a real algebraic variety X. A stratification of X is a finite collection of pairwise disjoint, Zariski locally closed subvarieties whose union is X. A topological vector bundle on X is…

Algebraic Geometry · Mathematics 2016-03-17 Wojciech Kucharz , Krzysztof Kurdyka

We present some methods and results in the application of algebraic geometry and computer algebra to the study of algebraic vector bundles, foliations and zeta functions. A connection of the methods and results with noncommutative geometry…

Algebraic Geometry · Mathematics 2007-05-23 Nikolaj M. Glazunov

In this article, we investigate Hecke modifications of vector bundles on a smooth projective curve $X$ defined over an arbitrary field. We obtain structural results that allow us to reduce the classification problem of Hecke modifications…

Algebraic Geometry · Mathematics 2025-06-03 Roberto Alvarenga , Leonardo Moço

We survey some recent progress in the theory of vector bundles on algebraic varieties and related questions in algebraic K-theory.

Algebraic Geometry · Mathematics 2021-11-08 Aravind Asok , Jean Fasel

In this paper we construct strong exceptional collections of vector bundles on smooth projective varieties that have a prescribed endomorphism algebra. We prove the construction problem always have a solution. We consider some applications…

Algebraic Geometry · Mathematics 2015-11-19 Dmitri Orlov

Motivated by the problem of finding algebraic constructions of finite coverings in commutative algebra, the Steinitz realization problem in number theory, and the study of Hurwitz spaces in algebraic geometry, we investigate the vector…

Algebraic Geometry · Mathematics 2019-01-08 Anand Deopurkar , Anand Patel
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