The d-Rank of a Topological Space

作者：Ershov Yu L^*

来源：Algebra and Logic, 2017, 56(2): 98-107.

DOI：10.1007/s10469-017-9432-y

• T-0-space
• d-rank

It is shown that for any ordinal alpha, there exists a T-0-space whose d-rank is equal to alpha.

• 出版日期2017-5