A hereditarily normal strongly zero-dimensional space with a subspace of positive dimension and an N-compact space of positive dimension
Elżbieta Pol, Roman Pol (1977)
Fundamenta Mathematicae
Similarity:
Elżbieta Pol, Roman Pol (1977)
Fundamenta Mathematicae
Similarity:
Harold Bennett, William Fleissner, David Lutzer (1981)
Fundamenta Mathematicae
Similarity:
Z. Balogh (1981)
Fundamenta Mathematicae
Similarity:
David Addis, John Gresham (1978)
Fundamenta Mathematicae
Similarity:
Nyikos, P.
Similarity:
Henry Potoczny (1972)
Fundamenta Mathematicae
Similarity:
Teodor Przymusiński (1981)
Fundamenta Mathematicae
Similarity:
Władysław Kulpa, Marian Turzański (1988)
Acta Universitatis Carolinae. Mathematica et Physica
Similarity:
B. Michael (1992)
Fundamenta Mathematicae
Similarity:
The following known selection theorem is sharpened, primarily, by weakening the hypothesis that all the sets φ(x) are closed in Y: Let X be paracompact with dimX = 0, let Y be completely metrizable and let φ:X → 𝓕(Y) be l.s.c. Then φ has a selection.