English

K-theory for ring C*-algebras attached to function fields

Operator Algebras 2009-11-30 v1 K-Theory and Homology

Abstract

We compute the K-theory of ring C*-algebras for polynomial rings over finite fields. The key ingredient is a duality theorem which we had obtained in a previous paper. It allows us to show that the K-theory of these algebras has a ring structure and to determine explicit generators. Our main result also reveals striking similarities between the number field case and the function field case.

Keywords

Cite

@article{arxiv.0911.5023,
  title  = {K-theory for ring C*-algebras attached to function fields},
  author = {Joachim Cuntz and Xin Li},
  journal= {arXiv preprint arXiv:0911.5023},
  year   = {2009}
}

Comments

19 pages

R2 v1 2026-06-21T14:16:19.814Z