On the ultrafilter semigroup of a topological group

被引:6
|
作者
Zelenyuk, Yevhen [1 ]
机构
[1] Univ Witwatersrand, Sch Math, ZA-2050 Wits, South Africa
关键词
ultrafilter semigroup; topological group; Stone-Cech compactification; P-point; Bohr compactification;
D O I
10.1007/s00233-006-0607-4
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
The ultrafilter semigroup Ult(G) of a topological group G consists of all nonprincipal ultrafilters on G converging to the identity and is a closed subsemigroup in the Stone-Cech compactification beta G(d) of G as a discrete semigroup. We show that it is consistent with ZFC that for every countable nondiscrete topological group G, Ult(G) can be partitioned into closed right ideals each of which admits a continuous homomorphism onto the Bohr compactification of the integers.
引用
收藏
页码:301 / 307
页数:7
相关论文
共 50 条
  • [21] On Topological Transitive and Transitive Semigroup
    Wang, Liguang
    Xu, Kunpeng
    PROCEEDINGS OF THE THIRD INTERNATIONAL WORKSHOP ON MATRIX ANALYSIS AND APPLICATIONS, VOL 2, 2009, : 346 - 349
  • [22] Note on topological ternary semigroup
    Samanta, S.
    Jana, S.
    Kar, S.
    ASIAN-EUROPEAN JOURNAL OF MATHEMATICS, 2021, 14 (05)
  • [23] TOPOLOGY OF FREE TOPOLOGICAL SEMIGROUP
    MARXEN, D
    COLLOQUIUM MATHEMATICUM, 1975, 34 (01) : 7 - 16
  • [24] EXISTENCE OF A UTILITY ON A TOPOLOGICAL SEMIGROUP
    GOTTINGER, HW
    THEORY AND DECISION, 1976, 7 (03) : 145 - 158
  • [25] TOPOLOGY OF FREE TOPOLOGICAL SEMIGROUP
    MARXEN, DJ
    NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1973, 20 (01): : A99 - A99
  • [26] PSEUDONORMABILITY OF TOPOLOGICAL SEMIGROUP RINGS
    PYARTLI, SA
    RUSSIAN MATHEMATICAL SURVEYS, 1992, 47 (03) : 186 - 187
  • [27] Topological complexity of semigroup actions
    Yan, Xinhua
    He, Lianfa
    JOURNAL OF THE KOREAN MATHEMATICAL SOCIETY, 2008, 45 (01) : 221 - 228
  • [28] The topological dynamics of semigroup actions
    Ellis, DB
    Ellis, R
    Nerurkar, M
    TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 2001, 353 (04) : 1279 - 1320
  • [29] TRANSLATIONAL HULL OF A TOPOLOGICAL SEMIGROUP
    HILDEBRANT, JA
    LAWSON, JD
    YEAGER, DP
    TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1976, 221 (02) : 251 - 280
  • [30] Semigroup extensions of Abelian topological groups
    Zelenyuk, Yevhen
    SEMIGROUP FORUM, 2019, 98 (01) : 9 - 21