Hacettepe Journal of Mathematics and Statistics
387-396
Catalan monoid, zero-divisor graph, perfect graph, clique number
Hacettepe Journal of Mathematics and Statistics
Zeynep Eken, Sevda Sezer, Gültekin Tınaztepe, Serap Kemali
Hacettepe Journal of Mathematics and Statistics
Hacettepe Journal of Mathematics and Statistics
Hacettepe Journal of Mathematics and Statistics
Naeem Ahmad, Sid Ahmed Ould Ahmed Mahmoud
Hacettepe Journal of Mathematics and Statistics
Abdelmajid Ali Dafallah, Qiaozhen Ma, Ahmed Eshag Mohamed
Hacettepe Journal of Mathematics and Statistics
Hacettepe Journal of Mathematics and Statistics