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Cohomological characterisation of Steiner bundles

Cohomological characterisation of Steiner bundles A vector bundle E on a smooth irreducible algebraic variety X is called a Steiner bundle of type ( F 0 , F 1 ) if it is defined by an exact sequence of the form where s, t ≥ 1 and ( F 0 , F 1 ) is a strongly exceptional pair of vector bundles on X such that is generated by global sections. Let X be a smooth irreducible projective variety of dimension n with an n -block collection , of locally free sheaves on X which generate D b (𝒪 X – mod ). We give a cohomological characterisation of Steiner bundles of type on X , where 0 ≤ a < b ≤ n and 1 ≤ i 0 ≤ α a , 1 ≤ j 0 ≤ α b . http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Forum Mathematicum de Gruyter

Cohomological characterisation of Steiner bundles

Forum Mathematicum , Volume 21 (5) – Sep 1, 2009

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References (45)

Publisher
de Gruyter
Copyright
© de Gruyter 2009
ISSN
0933-7741
eISSN
1435-5337
DOI
10.1515/FORUM.2009.043
Publisher site
See Article on Publisher Site

Abstract

A vector bundle E on a smooth irreducible algebraic variety X is called a Steiner bundle of type ( F 0 , F 1 ) if it is defined by an exact sequence of the form where s, t ≥ 1 and ( F 0 , F 1 ) is a strongly exceptional pair of vector bundles on X such that is generated by global sections. Let X be a smooth irreducible projective variety of dimension n with an n -block collection , of locally free sheaves on X which generate D b (𝒪 X – mod ). We give a cohomological characterisation of Steiner bundles of type on X , where 0 ≤ a < b ≤ n and 1 ≤ i 0 ≤ α a , 1 ≤ j 0 ≤ α b .

Journal

Forum Mathematicumde Gruyter

Published: Sep 1, 2009

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