Degeneracy of triality-symmetric morphisms

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چکیده

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Degeneracy of Triality-symmetric Morphisms

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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ژورنال

عنوان ژورنال: Algebra & Number Theory

سال: 2012

ISSN: 1944-7833,1937-0652

DOI: 10.2140/ant.2012.6.689