The purpose of this note is to show that there exist two Tychonoff spaces X, Y, a subset A of X and a subset B of Y such that A is weakly almost Lindelof in X and B is weakly almost Lindelof in Y, but A x B is not weakly almost Lindelof in X x Y.
机构:
Nanjing Normal Univ, Inst Math, Sch Math & Comp Sci, Nanjing 210097, Jiangsu, Peoples R ChinaNanjing Normal Univ, Inst Math, Sch Math & Comp Sci, Nanjing 210097, Jiangsu, Peoples R China
Song, Yan-Kui
Zhang, Yun-Yun
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Normal Univ, Inst Math, Sch Math & Comp Sci, Nanjing 210097, Jiangsu, Peoples R ChinaNanjing Normal Univ, Inst Math, Sch Math & Comp Sci, Nanjing 210097, Jiangsu, Peoples R China
机构:
Qassim Univ, Coll Sci, Dept Math, POB 6644, Buraydah 51402, Saudi ArabiaQassim Univ, Coll Sci, Dept Math, POB 6644, Buraydah 51402, Saudi Arabia
Fawakhreh, Anwar Jabor
Kilicman, Adem
论文数: 0引用数: 0
h-index: 0
机构:
Univ Putra Malaysia, Dept Math, Serdang 43400, Selangor, Malaysia
Univ Putra Malaysia, Inst Math Res, Serdang 43400, Selangor, MalaysiaQassim Univ, Coll Sci, Dept Math, POB 6644, Buraydah 51402, Saudi Arabia
Kilicman, Adem
APPLIED GENERAL TOPOLOGY,
2011,
12
(02):
: 135
-
141