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Log-regularity of monoid algebras

Commutative Algebra 2025-09-03 v1 Algebraic Geometry Number Theory

Abstract

Local log-regular rings are Cohen-Macaulay local domains introduced by Kazuya Kato to expand the theory of toric varieties without a base. In this note, we show that local rings of monoid algebras over regular rings are log-regular.

Cite

@article{arxiv.2509.01191,
  title  = {Log-regularity of monoid algebras},
  author = {Shinnosuke Ishiro},
  journal= {arXiv preprint arXiv:2509.01191},
  year   = {2025}
}

Comments

5 pages

R2 v1 2026-07-01T05:14:47.327Z