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On Upper and Lower Z-supercontinuous Multifunctions

Metin Akdag
경북대학교 자연과학대학 수학과|2005.06|Kyungpook Mathematical Journal|제45권 제2호|pp. 221-230

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Abstract

In this paper, we define a multifunction F : X ; Y to be upper (lower)Z- supercontinuous if F+ (V) (F(V)) is z-open in X for every open set V ofY. We obtain some characterizations and several properties concerning upper (lower)Z-supercontinuous multifunctions.

참고문헌 (9)

  1. "On Supercontinuous Multifunctions", 99(1-2), pp.143~153 (2003)
  2. "The Upper^Lower Super D-Continuous Multifunctions,IstanbulUniv.", 60, pp.101~109 (2001)
  3. "On Strongly -Continuous Multifunctions", 40, pp.43~54 (1994)
  4. ",Z-supercontinuous functions", 33(7), pp.1097~1108 (2002)
  5. "Continuous Multivalued Functions", 10, pp.87~120 (1955)
  6. "Developability and some new regularity axioms", 33, pp.641~ (1981)
  7. "Generalized of Compact and Lindelof Spaces", pp.172~217 (1959)
  8. "Amer. Math. Soc. Transl.", 78 2, pp.103~118 (1968)
  9. "Strong Continuity in Topological Spaces", 67, pp.269~ (1960)

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