A somewhat surprising subspace of $\beta {\Bbb N}-{\Bbb N}$
Simon, Petr
Commentationes Mathematicae Universitatis Carolinae, Tome 019 (1978), p. 383-388 / Harvested from Czech Digital Mathematics Library
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Publié le : 1978-01-01
Classification:  54D35,  54F05 
@article{105861,
     author = {Petr Simon},
     title = {A somewhat surprising subspace of $\beta {\Bbb N}-{\Bbb N}$},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     volume = {019},
     year = {1978},
     pages = {383-388},
     zbl = {0378.54016},
     mrnumber = {0493972},
     language = {en},
     url = {http://dml.mathdoc.fr/item/105861}
}

Simon, Petr. A somewhat surprising subspace of $\beta {\Bbb N}-{\Bbb N}$. Commentationes Mathematicae Universitatis Carolinae, Tome 019 (1978) pp. 383-388. http://gdmltest.u-ga.fr/item/105861/

B. Balcar J. Pelant P. Simon The space of ultrafilters on $N$ covered by nowhere dense sets, to appear. | MR 0600576

W. W. Comfort S. Negrepontis The Theory of Ultrafilters, Springer-Verlag, Berlin - Heidelberg - New York 1974. (1974) | MR 0396267

E. W. Miller A note on Souslin's problem, Amer. J. Math. 65 (1943), 674-678. (1943) | MR 0009615 | Zbl 0060.12701