2 papers
math.RA2001
Automorphisms of tiled orders
Jeremy Haefner, Christopher J. Pappacena
Let Lambda be a tiled R-order. We give a description of Aut_R(Lambda) as the semidirect product of Inn(Lambda) and a certain subgroup of Aut(Q(Lambda)), where Q(Lambda) is the link…
math.RA2001
Strongly graded hereditary orders
Jeremy Haefner, Christopher J. Pappacena
Let R be a Dedekind domain with global quotient field K. The purpose of this note is to provide a characterization of when a strongly graded R-order with semiprime 1-component is h…