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math.GN2012★ 4 cited
The well-ordered (F) spaces are D-spaces
Xu Yuming
We studied the relationships between Collins-Roscoe mechanism and D-spaces, proved that well-ordered (F) spaces are D-spaces. This positively answered a question asked by D.Soukup…
math.GN2010★ 6 cited
The Collins-Roscoe mechanism and D-spaces
Yuming Xu, Dániel Soukup
We prove that if a space X is well ordered , or linearly semi-stratifiable, or elastic then X is a D-space.