Title:
|
Some new cardinal inequalities involving a cardinal function less than the spread and the density (English) |
Author:
|
Sun, Shu Hao |
Author:
|
Choo, Koo Guan |
Language:
|
English |
Journal:
|
Commentationes Mathematicae Universitatis Carolinae |
ISSN:
|
0010-2628 (print) |
ISSN:
|
1213-7243 (online) |
Volume:
|
31 |
Issue:
|
2 |
Year:
|
1990 |
Pages:
|
395-401 |
. |
Category:
|
math |
. |
MSC:
|
54A25 |
idZBL:
|
Zbl 0717.54002 |
idMR:
|
MR1077911 |
. |
Date available:
|
2008-06-05T21:44:25Z |
Last updated:
|
2012-04-28 |
Stable URL:
|
http://hdl.handle.net/10338.dmlcz/106870 |
. |
Reference:
|
[1] R. Engelking: General Topology.PWN, Warszawa, 1977. Zbl 0373.54002, MR 0500780 |
Reference:
|
[2] R. E. Hodel: Cardinal functions I.Handbook of Set-Theoretic Topology (K. Kunen and J. E. Vaughan, eds.), North-Holland, 1984, 1-61. Zbl 0559.54003, MR 0776620 |
Reference:
|
[3] I. Juhasz: Cardinal functions in topology - ten years later.Math. Centrum, Amsterdam, 1980. Zbl 0479.54001, MR 0576927 |
Reference:
|
[4] X. S. Liu: Two topological cardinal functions.(in Chinese), Acta Math. Sinica 29 (1987), 494-497. MR 0867698 |
Reference:
|
[5] S. H. Sun: Two new topological cardinal inequalities.Proc. Amer. Math. Soc. 104 (1988), 313-316. Zbl 0669.54002, MR 0958090 |
Reference:
|
[6] S. H. Liu Y. M. Wang: A strengthened topological cardinal inequality.Bull Aust. Math. Soc. 32 (1985), 375-378. MR 0819569 |
. |