| Title:
|
Sum theorems for the tightness and $\pi$-character in the class of compact spaces (English) |
| Author:
|
Tkačenko, Michael G. |
| Language:
|
English |
| Journal:
|
Commentationes Mathematicae Universitatis Carolinae |
| ISSN:
|
0010-2628 (print) |
| ISSN:
|
1213-7243 (online) |
| Volume:
|
24 |
| Issue:
|
1 |
| Year:
|
1983 |
| Pages:
|
51-62 |
| . |
| Category:
|
math |
| . |
| MSC:
|
54A25 |
| MSC:
|
54B25 |
| MSC:
|
54B35 |
| MSC:
|
54D30 |
| idZBL:
|
Zbl 0523.54003 |
| idMR:
|
MR703925 |
| . |
| Date available:
|
2008-06-05T21:13:54Z |
| Last updated:
|
2012-04-28 |
| Stable URL:
|
http://hdl.handle.net/10338.dmlcz/106204 |
| . |
| Reference:
|
[1] ARHANGEL'SKII A. V.: An addition theorem for the weight of sets lying in bicompacta.Dokl. Akad. Nauk SSSR 126 (1959), 239-241. |
| Reference:
|
[2] APXAHГЕЛЬСКИЙ А. В. : Об инвариантах характера типа и веса.Tpyды Mocк. Maт. О6-вa 38 (1979), 3-27. |
| Reference:
|
[3] TKAČENKO M. G.: Some theorems on unions in the class of compacts.(in Russian), Siberian Math. J, to appear. |
| Reference:
|
[4] TKAČENKO M. G.: On the behaviour of cardinal function under the union operation of a chain of spaces.(in Russian), Vestnik of Moscow State Univ., ser. math., mech., N 4 (1978), 50-58. |
| Reference:
|
[5] SHAPIROVSKII B. E.: Canonical sets and character. Density and weight in compact spaces.Dokl. Akad. Nauk SSSR 218 (1974), 58-61 (Soviet Math. Dokl. 15 (1974), 1282-1287). |
| Reference:
|
[6] SHAPIROVSKII B. E.: On mappings onto Tichonoff cubes.(in Russian), Uspechi Mat. Nauk 35 (1980), 122-130. |
| Reference:
|
[7] SHAPIROVSKII B. E.: On $\pi $-character and $\pi $ -weight in compact Hausdorff spaces.Dokl. Akad. Nauk SSSR 223 (1975), 799-802 (Soviet Math. Dokl. 16 (1975), 999-1004). |
| . |
