Last-modified: 2015-11-17 (火) 19:12:53
Let X be a topological space, Y a subspace.
Y is said to be 1-subparacompact if for every open cover U of X, there exists a σ-discrete family P of closed subsets in X such that P covers Y and that P is a partial refinement of U.
- This is not a property for a topological space, but a subspace.
S. Kawaguchi, R. Sokei, Some relative properties on normality and paracompactness, and their absolute embeddings, Comment. Math. Univ. Carolin. 46,3(2005)475-495.