English

The Clifford algebra of a finite morphism

Algebraic Geometry 2025-06-03 v4 Rings and Algebras

Abstract

We develop a general theory of Clifford algebras for finite morphisms of schemes and describe applications to the theory of Ulrich bundles and connections to period-index problems for curves of genus 1.

Keywords

Cite

@article{arxiv.1509.07195,
  title  = {The Clifford algebra of a finite morphism},
  author = {Daniel Krashen and Max Lieblich},
  journal= {arXiv preprint arXiv:1509.07195},
  year   = {2025}
}

Comments

includes a number of small corrections, clarifications and some examples