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<p>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.</p>

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Half canonical rings of Gorenstein spin curves of genus two

  • 期刊论文

  • 发表日期：

    2025年12月18日

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  • Stephen Coughlan,
  • Marco Franciosi,
  • Rita Pardini,
  • Sönke Rollenske

摘要

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.