RUS  ENG
Full version
JOURNALS // Algebra i Analiz // Archive

Algebra i Analiz, 2022 Volume 34, Issue 2, Pages 95–117 (Mi aa1802)

Research Papers

On local finite separability of finitely generated associative rings

S. I. Kublanovskii

ТПО «Северный Очаг» Санкт-Петербург, Россия

Abstract: It is proved that analogs of the theorems of M. Hall and N. S. Romanovsky fail in the class of commutative rings. Necessary and sufficient conditions for local finite separability of monogenic rings is established. As a corollary, it is proved that a finitely generated torsion-free PI ring is locally finitely separable if and only if its additive group is finitely generated.

Keywords: finite pproximation, occurrence in a subring, monogenic ring, commutative ring, closedness in the profinite topology.

Received: 09.08.2021


 English version:
St. Petersburg Mathematical Journal, 2023, 34:2, 205–220

Bibliographic databases:


© Steklov Math. Inst. of RAS, 2024