Irresolvable countable spaces of weight less than $\frak C$
Malykhin, Viacheslav I.
Commentationes Mathematicae Universitatis Carolinae, Tome 40 (1999), p. 181-185 / Harvested from Czech Digital Mathematics Library

We construct in Bell-Kunen's model: (a) a group maximal topology on a countable infinite Boolean group of weight $\aleph_1 < {\frak C}$ and (b) a countable irresolvable dense subspace of $2^{\omega_1}$. In this model ${\frak C}=\aleph_{\omega_1}$.

Publié le : 1999-01-01
Classification:  20K45,  22A05,  22A30,  54A25,  54A35,  54E15,  54H05
@article{119072,
     author = {Viacheslav I. Malykhin},
     title = {Irresolvable countable spaces of weight less than $\frak C$},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     volume = {40},
     year = {1999},
     pages = {181-185},
     zbl = {1060.54500},
     mrnumber = {1715211},
     language = {en},
     url = {http://dml.mathdoc.fr/item/119072}
}
Malykhin, Viacheslav I. Irresolvable countable spaces of weight less than $\frak C$. Commentationes Mathematicae Universitatis Carolinae, Tome 40 (1999) pp. 181-185. http://gdmltest.u-ga.fr/item/119072/

El'Kin A.G. Resolvable spaces which are not maximally resolvable, Bull. Moscow Univ. Ser. Math. Mech. 24 (1969), 66-70. (1969) | MR 0256331 | Zbl 0183.51204

Bell M.; Kunen K. On the $\pi$-character of ultrafilters, C.R. Math. Rep. Acad. Sci. Canada 3 (1981), 351-356. (1981) | MR 0642449 | Zbl 0475.54001

Hewitt E. A problem of set-theoretic topology, Duke Math. J. 10 (1943), 309-333. (1943) | MR 0008692 | Zbl 0060.39407

Kunen K. Set Theory, The Introduction to Independence Proofs, North Holland Publ. Co. Amsterdam-New York, 1980. | MR 0597342

Malykhin V.I. Extremaly disconnected and nearly extremaly disconnected groups, Soviet Math. Dokl. 16 (1975), 21-25. (1975)