ArticleOriginal scientific text

Title

More topological cardinal inequalities

Authors 1

Affiliations

  1. Instituto de Matemática e Estatística, Universidade de São Paulo, São Paulo, Brazil

Abstract

A new topological cardinal invariant is defined; it may be considered as a weaker form of the Lindelöf degree.

Keywords

topological cardinal invariant, cardinal inequality, weak Lindelöf degree

Bibliography

  1. M. Bell, J. Ginsburg and G. Woods, Cardinal inequalities for topological spaces involving the weak Lindelöf number, Pacific J. Math. 79 (1978), 37-45.
  2. A. Bella and F. Cammaroto, On the cardinality of Urysohn spaces, Canad. Math. Bull. 31 (1988), 153-158.
  3. I. Juhász, Cardinal Functions in Topology--Ten Years Later, Math. Centre Tracts 123, Amsterdam 1983.
Pages:
165-168
Main language of publication
English
Received
1992-05-13
Published
1993
Exact and natural sciences