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2012 Degeneracy of triality-symmetric morphisms
Dave Anderson
Algebra Number Theory 6(4): 689-706 (2012). DOI: 10.2140/ant.2012.6.689

Abstract

We define a new symmetry for morphisms of vector bundles, called triality symmetry, and compute Chern class formulas for the degeneracy loci of such morphisms. In an appendix, we show how to canonically associate an octonion algebra bundle to any rank-2 vector bundle.

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Dave Anderson. "Degeneracy of triality-symmetric morphisms." Algebra Number Theory 6 (4) 689 - 706, 2012. https://doi.org/10.2140/ant.2012.6.689

Information

Received: 27 September 2010; Revised: 10 June 2011; Accepted: 13 August 2011; Published: 2012
First available in Project Euclid: 20 December 2017

zbMATH: 1253.14045
MathSciNet: MR2966715
Digital Object Identifier: 10.2140/ant.2012.6.689

Subjects:
Primary: 14M15
Secondary: 14F43 , 14N15 , 17A75 , 20G99

Keywords: degeneracy locus , equivariant cohomology , octonions , triality

Rights: Copyright © 2012 Mathematical Sciences Publishers

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