English

Henselian discrete valued stable fields

Rings and Algebras 2022-03-24 v2 Number Theory

Abstract

Let (K,v)(K, v) be a Henselian discrete valued field with residue field K^\widehat K of characteristic q0q \ge 0, and Brdp(K)_{p}(K) be the Brauer pp-dimension of KK, for each prime pp. The present paper shows that if p=qp = q, then Brdp(K)1_{p}(K) \le 1 if and only if K^\widehat K is a pp-quasilocal field and the degree [K^ ⁣:K^p][\widehat K\colon \widehat K ^{p}] is p\le p. This complements our earlier result that, in case pqp \neq q, we have Brdp(K)1_{p}(K) \le 1 if and only if K^\widehat K is pp-quasilocal and Brdp(K^)1_{p}(\widehat K) \le 1.

Keywords

Cite

@article{arxiv.1802.10193,
  title  = {Henselian discrete valued stable fields},
  author = {Ivan D. Chipchakov},
  journal= {arXiv preprint arXiv:1802.10193},
  year   = {2022}
}

Comments

15 pages, LaTeX. Accepted for publication in a Special Issue of Turk. J. Math., dedicated to Vesselin Drensky on the occasion of his 70th anniversary

R2 v1 2026-06-23T00:36:00.947Z