定義
- A Tychonoff? space T is said to be countbly K-determined if there are a compactification Z of T and a sequence of compact sets in Z such that, for each .
出典
- Encyclopedia of general topology, Edited by Klaas Pieter Hart, Jun-iti Nagata and Jerry E. Vaughan. Elsevier Science Publishers, B.V., Amsterdam, 2004.