International Journal of Mathematics and Mathematical Sciences 
Volume 2007 (2007), Article ID 61549, 7 pages
doi:10.1155/2007/61549
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

Recommended by Howard E. Bell

Abstract

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.