Half canonical rings of Gorenstein spin curves of genus two

2023/12/15 by Stephen Coughlan, Marco Franciosi, Coughlan, Stephen +5
Mathematics · #Algebraic structures and combinatorial models #Algebraic Geometry and Number Theory #Commutative Algebra and Its Applications

paper · pdf · doi:10.48550/arxiv.2312.09671

Abstract

We introduce the notion of generalised Gorenstein spin structure on a curve and we give an explicit description of the associated section ring for curves of genus two with ample canonical bundle, obtaining five different formats.

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