International Journal of Mathematics and Mathematical Sciences
Volume 2005 (2005), Issue 15, Pages 2441-2445
doi:10.1155/IJMMS.2005.2441
Mr-factors and Qr-factors for near quasinorm on certain sequence spaces
Piyapong Niamsup1
and Yongwimon Lenbury2
1Department of Mathematics, Faculty of Science, Chiangmai University, Chiangmai 50200, Thailand
2Department of Mathematics, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
Abstract
We study the multiplicativity factor and quadraticity factor for near quasinorm on certain sequence spaces of Maddox, namely, l(p) and l∞(p), where p=(pk) is a bounded sequence of positive real numbers.