MINIMAL QUASI-F COVERS OF ÀX

• 발행기관: 충청수학회
• 저자명: ChangIl Kim
• 간행물 정보: 『Journal of the Chungcheong Mathematical Society』Volume 26, No. 1, 221~229쪽, 전체 9쪽
• 주제분류: 자연과학 > 자연과학일반
• 파일형태: PDF
• 발행일자: 2013.02.28

영문 초록

We show that if X is a space such that ¯QF(X) =QF(¯X) and each stable Z(X)#-ultra¯lter has the countable inter- section property, then there is a homeomorphism hX : ÀQF(X) ¡! QF(ÀX) with rX = ©ÀX ± hX. Moreover, if ¯QF(X) = QF(¯X) and ÀE(X) = E(ÀX) or À¤(X) = ¤(ÀX), then ÀQF(X) = QF(ÀX).

목차

1. Introduction

2. Quasi-F covers

3. Minimal quasi-F covers of ÀX