International Journal of Mathematics and Mathematical Sciences
Volume 13 (1990), Issue 1, Pages 45-49
doi:10.1155/S0161171290000060

On the δ-continuous fixed point property

F. Cammaroto1 and T. Noiri2

1Dipartimcnto di Mammatica, Università di Messina, Sant'Agata (Messina) 98166, Italy
2Department of Mathematics, Yatsushiro College of Technology, Yatsushiro, Kumamoto 866, Japan

Abstract

In this paper, we define and investigate the δ-continuous retraction and the δ-continuous fixed point property. Theorem 1 of Connell [11] and Theorem 3.4 of Arya and Deb [2] are improved.