2 papers
math.RA2025
The Dixmier problem for skew PBW extensions and rings
William Fajardo, Oswaldo Lezama
In this paper we discuss for skew extensions the famous Dixmier problem formulated by Jacques Dixmier in 1968. The skew extensions are noncommutative rings of polynomia…
math.RA2015
Extended modules and Ore extensions
Vyacheslav Artamonov, William Fajardo, Oswaldo Lezama
In this paper we investigate extended modules for a special class of Ore extensions. We will assume that is a ring and will denote the Ore extension …