IJPAM: Volume 16, No. 1 (2004)


Erdal Ekici
Department of Mathematics
Canakkale Onsekiz Mart University
Terzioglu Campus
Canakkale, 17020, TURKEY
e-mail: eekici@comu.edu.tr

Abstract.In this paper, upper and lower $\delta$-preirresolute multifunctions are introduced and studied. Some characterizations and several properties concerning upper and lower $\delta$-preirresolute multifunctions are obtained.

Received: August 11, 2004

AMS Subject Classification: 54C60, 54C08, 54C10

Key Words and Phrases: upper (lower) $\delta$-preirresolute, multifunction, $\delta$-preopen sets

Source: International Journal of Pure and Applied Mathematics
ISSN: 1311-8080
Year: 2004
Volume: 16
Issue: 1