Last-modified: 2010-08-04 (水) 23:01:15
- A Hausdorff space X is called preparacompact if each open cover of X has an open refinement such that if is infinite and if and for each with and for , then the set has a limit point iff the set has a limit point.
- Davis, S.W. and Smith, J.C., The paracompactness of preparacompact spaces., Topology, Proc. Conf., Vol. 4, No.2, Ohio Univ. 1979, 345-360 (1980).