摘要:

A topological spaceXis compact iff for any other spaceY, the projection mapπY:X×Y→Yis closed. Previous authors have used this characterisation, and the theory of categorical closure operators, to study compactness in a general setting.

ISSN:1607-3606    

DOI:10.2989/16073600009485996

出版商:Taylor & Francis Group    

年代:2000

数据来源: Taylor