International Journal of Mathematics and Mathematical Sciences
Volume 2007 (2007), Article ID 61549, 7 pages
Research Article

On Classical Quotient Rings of Skew Armendariz Rings

A. R. Nasr-Isfahani and A. Moussavi

Department of Mathematics, Tarbiat Modares University, P.O. Box 14115-170, Tehran, Iran

Received 7 February 2007; Accepted 2 August 2007

Academic Editor: Howard E. Bell

Copyright © 2007 A. R. Nasr-Isfahani and A. Moussavi. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Let R be a ring, α an automorphism, and δ an α-derivation of R. If the classical quotient ring Q of R exists, then R is weak α-skew Armendariz if and only if Q is weak α˜-skew Armendariz.