Relations between some invariants of algebraic varieties in positive characteristic

2012/03/19 by Gerard van der Geer, Toshiyuki Katsura, van der Geer, Gerard +1
Mathematics · #14G #Algebraic Geometry (math.AG) #Algebraic Geometry and Number Theory #Commutative Algebra and Its Applications #FOS: Mathematics #Homotopy and Cohomology in Algebraic Topology

paper · pdf · doi:10.48550/arxiv.1203.4093

openalex publication_date 2012/03/19 · openalex created_date 2019/06/27 · openalex updated_date 2026/07/28

Abstract

We discuss relations between certain invariants of varieties in positive characteristic, like the a-number and the height of the Artin-Mazur formal group. We calculate the a-number for Fermat surfaces

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