International Journal of Mathematics and Mathematical Sciences
Volume 2006 (2006), Article ID 57918, 9 pages

More on rc-Lindelöf sets and almost rc-Lindelöf sets

Mohammad S. Sarsak

Department of Mathematics, Faculty of Science, The Hashemite University, P.O. Box 150459, Zarqa 13115, Jordan

Received 25 November 2004; Revised 3 April 2006; Accepted 30 May 2006

Copyright © 2006 Mohammad S. Sarsak. 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.


We study new properties and characterizations of rc-Lindelöf sets and almost rc-Lindelöf sets; a special interest is given to the mapping properties of such sets. We also obtain some product theorems concerning rc-Lindelöf spaces.