International Journal of Mathematics and Mathematical Sciences
Volume 22 (1999), Issue 4, Pages 761-764
doi:10.1155/S0161171299227615
Almost triangular matrices over Dedekind domains
Frank Demeyer1
and Haniya Kakakhail2
1Department of Mathematics, Colorado State University, Fort Collins 80523, CO, USA
2Department of Mathematics, Metropolitan State College, Denver 80217, CO, USA
Abstract
Every matrix over a Dedekind domain is equivalent to a direct sum of matrices A=(ai,j), where ai,j=0 whenever j>i+1.