ON UPPER AND LOWER CONTRA-CONTINUOUS MULTIFUNCTIONS


EKİCİ E. , Jafari S., Noiri T.

ANALELE STIINTIFICE ALE UNIVERSITATII AL I CUZA DIN IASI-SERIE NOUA-MATEMATICA, vol.54, no.1, pp.75-85, 2008 (Journal Indexed in SCI) identifier

  • Publication Type: Article / Article
  • Volume: 54 Issue: 1
  • Publication Date: 2008
  • Title of Journal : ANALELE STIINTIFICE ALE UNIVERSITATII AL I CUZA DIN IASI-SERIE NOUA-MATEMATICA
  • Page Numbers: pp.75-85

Abstract

In 1996, DONTCHEV [4] introduced and investigated the notion of contra-continuity. In this paper we introduce and study the basic properties of upper (lower) contra-continuous multifunctions.