A DIRECT PROOF OF A THEOREM ON MONOTONICALLY NORMAL SPACES FOR GO-SPACES


Vural Ç.

ROCKY MOUNTAIN JOURNAL OF MATHEMATICS, cilt.39, sa.6, ss.2067-2071, 2009 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 39 Konu: 6
  • Basım Tarihi: 2009
  • Doi Numarası: 10.1216/rmj-2009-39-6-2067
  • Dergi Adı: ROCKY MOUNTAIN JOURNAL OF MATHEMATICS
  • Sayfa Sayıları: ss.2067-2071

Özet

Let X be a GO-space. We give a direct proof of the following fact: If O is an open cover of X, then O has a sigma-disjoint open, partial refinement V such that X\ U V is the union of a discrete family of stationary subsets of regular uncountable cardinals.