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We give a method to construct stable vector bundles whose rank divides the degree over curves of genus bigger than one. The method complements the one given by Newstead. Finally, we make some systematic remarks and observations in…

alg-geom · Mathematics 2008-02-03 Yi Hu , Wei-Ping Li

We prove an existence result for stable vector bundles with arbitrary rank on an algebraic surface, and determine the birational structure of certain moduli space of stable bundles on a rational ruled surface.

Algebraic Geometry · Mathematics 2016-09-06 Wei-ping Li , Zhenbo Qin

We show that on a generic curve, a bundle obtained by successive extensions is stable. We compute the dimension of the set of such extensions. We use degeneration methods specializing the curve to a chain of elliptic components

Algebraic Geometry · Mathematics 2024-12-11 Montserrat Teixidor i Bigas

Using monads, we construct a large class of stable bundles of rank 2 and 3 on 3-fold hypersurfaces, and study the set of all possible Chern classes of stable vector bundles.

Algebraic Geometry · Mathematics 2010-05-06 Marcos Jardim

Moduli of vector bundles on stacky curves behave similarly to moduli of vector bundles on curves, except there are additional numerical invariants giving many different notions of stability. We apply the existence criterion for good moduli…

Algebraic Geometry · Mathematics 2024-07-08 Chiara Damiolini , Victoria Hoskins , Svetlana Makarova , Lisanne Taams

Let $X$ be a projective K3 surfaces. In two examples where there exists a fine moduli space $M$ of stable vector bundles on $X$, isomorphic to a Hilbert scheme of points, we prove that the universal family $\mathcal{E}$ on $X\times M$ can…

Algebraic Geometry · Mathematics 2021-12-09 Fabian Reede , Ziyu Zhang

We study stable vector bundles over the modular curve X(p) corresponding to the principal congruence subgroup of the modular group of prime level p which are invariant with respect to its automorphism group.

alg-geom · Mathematics 2007-05-23 Igor V. Dolgachev

We describe stability conditions for pairs consisting of a coherent sheaf and a homomorphism to a fixed coherent sheaf on a projective variety. The corresponding moduli spaces are constructed for pairs on curves and surfaces. We consider…

alg-geom · Mathematics 2008-02-03 Daniel Huybrechts , Manfred Lehn

In this paper, we survey recent developments concerning the stability of naturally defined bundles on curves that play a central role in the deformation theory of the curve.

Algebraic Geometry · Mathematics 2026-02-05 Izzet Coskun , Eric Larson , Isabel Vogt

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 study ample stable vector bundles on minimal rational surfaces. We give a complete classification of those moduli spaces for which the general stable bundle is both ample and globally generated. We also prove that if $V$ is any stable…

Algebraic Geometry · Mathematics 2021-07-22 Jack Huizenga , John Kopper

Using Bridgeland stability conditions we give sufficient criteria for a stable vector bundle on a surface to remain stable when restricted to a curve. We give a stronger criterion when the vector bundle is a general vector bundle on the…

Algebraic Geometry · Mathematics 2020-06-16 John Kopper

Let X be a smooth projective curve of genus g \geq 2 defined over a field of characteristic two. We give examples of stable orthogonal bundles with unstable underlying vector bundles and use them to give counterexamples to Behrend's…

Algebraic Geometry · Mathematics 2008-12-09 Christian Pauly

We show that the locally free sheaf of locally exact differentials on a smooth projective curve of genus at least two over an algebraically closed field k of characteristic p is a stable vector bundle. This answers a question of Raynaud.

Algebraic Geometry · Mathematics 2013-06-14 Kirti Joshi

Let X be an irreducible smooth complex projective curve of genus g at least 4. Let M(r,\Lambda) be the moduli space of stable vector bundles over X or rank r and fixed determinant \Lambda, of degree d. We give a new proof of the fact that…

Algebraic Geometry · Mathematics 2012-02-15 Indranil Biswas , Tomas L. Gomez , V. Munoz

This survey presents some recent results of G.-M.Greuel and the author on vector bundles over algebraic curves and on Cohen-Macaulay modules over surface singularities. It is mainly devoted to the classification problems, especially to the…

Algebraic Geometry · Mathematics 2012-01-24 Yuriy A. Drozd

The existence of stable ACM vector bundles of high rank on algebraic varieties is a challenging problem. In this paper, we study stable Ulrich bundles (that is, stable ACM bundles whose corresponding module has the maximum number of…

Algebraic Geometry · Mathematics 2011-05-06 Marta Casanellas , Robin Hartshorne

We analyze the local structure of the moduli space of semi-stable bundles on a curve. In particular, a complete description of the local structure is given in the rank 2 case. We obtain as a corollary of this analysis new results about the…

alg-geom · Mathematics 2008-02-03 Yves Laszlo

We study the moduli problem of pairs consisting of a rank 2 vector bundle and a nonzero section over a fixed smooth curve. The stability condition involves a parameter; as it varies, we show that the moduli space undergoes a sequence of…

alg-geom · Mathematics 2008-02-03 Michael Thaddeus

We study vector bundles on curves with rational tails and their smoothings and give a sufficient condition for the general fibre to be balanced.

Algebraic Geometry · Mathematics 2022-11-22 Ziv Ran
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