TY - JOUR ID - myais1364 UR - http://math.usm.my/bulletin/pdf/v30n1/v30n1p5.pdf IS - 1 A1 - Modak, Shyampada, A1 - Bandyopadhyay, Chhanda , Y1 - 2007/// N2 - Studying $\psi$-operator closely, we introduce a new type of sets and consider the interrelation of such sets with some generalized open sets already known in literature. 2000 Mathematics Subject Classification: 54A05. PB - Penerbit Universiti Sains Malaysia JF - Bulletin of the Malaysian Mathematical Sciences Society VL - 30 KW - I-dense sets KW - codense ideal KW - semi-open sets KW - preopen sets KW - semi-preopen sets. SN - 0126-6705 TI - A Note on ?-Operator SP - 43 AV - none EP - 48 ER -