Algebra & Number Theory

Geometry and stability of tautological bundles on Hilbert schemes of points

David Stapleton

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Abstract

We explore the geometry and establish the slope-stability of tautological vector bundles on Hilbert schemes of points on smooth surfaces. By establishing stability in general, we complete a series of results of Schlickewei and Wandel, who proved the slope-stability of these vector bundles for Hilbert schemes of 2 points or 3 points on K3 or abelian surfaces with Picard group restrictions. In exploring the geometry, we show that every sufficiently positive semistable vector bundle on a smooth curve arises as the restriction of a tautological vector bundle on the Hilbert scheme of points on the projective plane. Moreover, we show that the tautological bundle of the tangent bundle is naturally isomorphic to the log tangent sheaf of the exceptional divisor of the Hilbert–Chow morphism.

Article information

Source
Algebra Number Theory, Volume 10, Number 6 (2016), 1173-1190.

Dates
Received: 28 June 2015
Revised: 28 April 2016
Accepted: 28 May 2016
First available in Project Euclid: 16 November 2017

Permanent link to this document
https://projecteuclid.org/euclid.ant/1510842550

Digital Object Identifier
doi:10.2140/ant.2016.10.1173

Mathematical Reviews number (MathSciNet)
MR3544294

Zentralblatt MATH identifier
1359.14040

Subjects
Primary: 14J60: Vector bundles on surfaces and higher-dimensional varieties, and their moduli [See also 14D20, 14F05, 32Lxx]

Keywords
Hilbert schemes of surfaces vector bundles on surfaces Fourier–Mukai transforms slope-stability spectral curves log tangent bundle tautological bundles Hilbert schemes of points

Citation

Stapleton, David. Geometry and stability of tautological bundles on Hilbert schemes of points. Algebra Number Theory 10 (2016), no. 6, 1173--1190. doi:10.2140/ant.2016.10.1173. https://projecteuclid.org/euclid.ant/1510842550


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