Valuative characterization of central extensions of algebraic tori on Krull domains

Abstract

For an algebraic torus $T$, the finite central extensions $G$ of $T$ are characterized in terms of ramification theory of regular actions of $G$ on Krull algebras over an algebraically closed base field $K$ of any characteristic.

This is a version on August 3, 2016. 18 pages

Cited by in corpus (1)

• Liftings of pseudo-reflection groups of toric quotients of Krull schemes