Essentially Finite Vector Bundles on Normal Pseudo-Proper Algebraic Stacks

  • Fabio Tonini

    Dipartimento di Matematica e Informatica ``Ulisse Dini'', Universitá degli Studi di Firenze, Viale Morgagni, 67/a, Florence 50134, Italy
  • Lei Zhang

    Department of Mathematics, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
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Abstract

Let be a normal, connected and projective variety over an algebraically closed field . In [I. Biswas and J. P. P. dos Santos, J. Inst. Math. Jussieu 10, No. 2, 225–234 (2011; Zbl 1214.14037)] and [M. Antei and V. B. Mehta, Arch. Math. 97, No. 6, 523–527 (2011; Zbl 1236.14041)] it is proved that a vector bundle on is essentially finite if and only if it is trivialized by a proper surjective morphism . In this paper we introduce a different approach to this problem which allows to extend the results to normal, connected and strongly pseudo-proper algebraic stack of finite type over an arbitrary field .

Cite this article

Fabio Tonini, Lei Zhang, Essentially Finite Vector Bundles on Normal Pseudo-Proper Algebraic Stacks. Doc. Math. 25 (2020), pp. 159–169

DOI 10.4171/DM/742