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We study vector bundles with some additional structures on an elliptic curve and show how there are related to the elliptic Ruijsenaars-Schneider model.

Quantum Algebra · Mathematics 2007-05-23 V. Vakulenko

Among recently introduced new notions in real algebraic geometry is that of regulous functions. Such functions form a foundation for the development of regulous geometry. Several interesting results on regulous varieties and regulous…

Algebraic Geometry · Mathematics 2017-03-17 Wojciech Kucharz , Maciej Zieliński

We give an alternative argument for the classification of real bundle pairs over smooth symmetric surfaces and extend this classification to nodal symmetric surfaces. We also classify the homotopy classes of automorphisms of real bundle…

Algebraic Geometry · Mathematics 2015-12-23 Penka Georgieva , Aleksey Zinger

Let X be a smooth complex projective curve of genus g bigger or equal to 1. If g is bigger than 1 assume further that X is either bielliptic or with general moduli. Under a natural condition on slopes, we prove that there exists a short…

Algebraic Geometry · Mathematics 2007-05-23 E. Ballico , B. Russo

In this paper we give a survey about the classification of vector bundles and torsion free sheaves on degenerations of elliptic curves. Coherent sheaves on singular curves of arithmetic genus one can be studied using the technique of matrix…

Algebraic Geometry · Mathematics 2007-05-23 Lesya Bodnarchuk , Igor Burban , Yuriy Drozd , Gert-Martin Greuel

We investigate the logarithmic bundles associated to arrangements of hypersurfaces with a fixed degree in a smooth projective variety. We then specialize to the case when the variety is a quadric hypersurface and a multiprojective space to…

Algebraic Geometry · Mathematics 2013-12-10 Edoardo Ballico , Sukmoon Huh , Francesco Malaspina

Given a compact complex manifold $M$, we investigate the holomorphic vector bundles $E$ on $M$ such that $\varphi^* E$ is trivial for some surjective holomorphic map $\varphi$, to $M$, from some compact complex manifold. We prove that these…

Algebraic Geometry · Mathematics 2020-08-27 Indranil Biswas , Sorin Dumitrescu

We construct the full linearisation functor which takes a graded bundle of degree $k$ (a particular kind of graded manifold) and produces a $k$-fold vector bundle. We fully characterise the image of the full linearisation functor and show…

Mathematical Physics · Physics 2016-11-03 Andrew James Bruce , Janusz Grabowski , Mikolaj Rotkiewicz

This is a review of the basic concepts of the theory of real and complex smooth vector bundles with finite rank. Besides, the concept of a tensor field is studied within the general framework of a smooth vector bundle rather than a smooth…

General Mathematics · Mathematics 2022-01-25 Farzad Shahi

Pure combinatorial models for BPL_n and Gauss map of a combinatorial manifold are described.

Geometric Topology · Mathematics 2011-11-09 Nikolai Mnev

We study the existence of canonical K\"ahler metrics on the projectivisation of strictly Mumford semistable holomorphic vector bundles over a complex curve. We also provide an algebro-geometric characterization of these metrics.

Differential Geometry · Mathematics 2017-05-17 Julien Keller

We obtain characterizations and structure results for homogeneous principal bundles over abelian varieties, that generalize work of Miyanishi and Mukai on homogeneous vector bundles. For this, we rely on notions and methods of algebraic…

Algebraic Geometry · Mathematics 2011-06-30 Michel Brion

We quantize homogeneous vector bundles over an even complex sphere $\mathbb{S}^{2n}$ as one-sided projective modules over its quantized coordinate ring. We realize them in two different ways: as locally finite $\mathbb{C}$-homs between…

Quantum Algebra · Mathematics 2019-11-26 Andrey Mudrov

The question of paralleizability and stable parallelizability of a family of manifolds obtained as a quotients of circle action on the complex Stiefel manifolds are studied and settled.

Algebraic Topology · Mathematics 2013-11-05 Shilpa Gondhali , B. Subhash

Vector bundles and double vector bundles, or $2$-fold vector bundles, arise naturally for instance as base spaces for algebraic structures such as Lie algebroids, Courant algebroids and double Lie algebroids. It is known that all these…

Differential Geometry · Mathematics 2018-05-29 Elizaveta Vishnyakova

In this paper, we study holomorphic vector bundles on (diagonal) Hopf manifolds. In particular, we give a description of moduli spaces of stable bundles on generic (non-elliptic) Hopf surfaces. We also give a classification of stable rank-2…

Algebraic Geometry · Mathematics 2007-05-23 Ruxandra Moraru

The quantization of vector bundles is defined. Examples are constructed for the well controlled case of equivariant vector bundles over compact coadjoint orbits. (Coadjoint orbits are symplectic spaces with a transitive, semisimple symmetry…

q-alg · Mathematics 2009-10-30 Eli Hawkins

In this note, we study the resonance variety of rank-two vector bundles over an elliptic curve. Our approach is based on analyzing the flattening stratification of the resonance. We also investigate the linear section of the Grassmann…

Algebraic Geometry · Mathematics 2026-04-28 Călin Spiridon

For a weak 2-group, we construct a bicategory of flat 2-group bundles over differentiable stacks as a localization of a functor bicategory. This description is amenable to explicit geometric constructions. For example, we show that flat…

Algebraic Topology · Mathematics 2025-10-16 Daniel Berwick-Evans , Emily Cliff , Laura Murray , Apurva Nakade , Emma Phillips

In this paper, we define vector bundles within the framework of almost mathematics (referred to as almost vector bundles) and establish the $v$-descent theorem together with a structure theorem for these bundles over perfectoid spaces. The…

Algebraic Geometry · Mathematics 2026-01-28 Yuntong Cui , Guo Li , Shuhan Jiang , Jiahong Yu