English

Fourier--Mukai transforms for non-commutative complex tori

Algebraic Geometry 2023-01-11 v1

Abstract

Let XX be a complex torus of dimension gg and X^\hat{X} be the dual torus. For any g(g1)/2g(g-1)/2-tuple λ\lambda of complex numbers of absolute value 11, we define a non-commutative complex torus XλX_\lambda as a sheaf of algebras on a real torus of dimension gg. We prove that if all components of λ\lambda are roots of unity, then the category of coherent sheaves on XλX_\lambda is abelian and derived-equivalent to the category of coherent sheaves on X^\hat{X} twisted by an element of the Brauer group of X^\hat{X} determined by λ\lambda.

Keywords

Cite

@article{arxiv.2301.03745,
  title  = {Fourier--Mukai transforms for non-commutative complex tori},
  author = {Nobuki Okuda},
  journal= {arXiv preprint arXiv:2301.03745},
  year   = {2023}
}

Comments

15pages

R2 v1 2026-06-28T08:08:10.753Z