Three orderings on β (ω)⧹ω

Author:

García-Ferreira Salvador

Publisher

Elsevier BV

Subject

Geometry and Topology

Reference40 articles.

1. A new kind of compactness for topological spaces;Bernstein;Fund. Math.,1970

2. The Rudin-Keisler ordering of P-points;Blass;Trans. Amer. Math. Soc.,1973

3. Kleene degree of ultrafilters;Blass,1984

4. Kleene degree of ultrafilters;Blass,1985

5. There may be simple Pℵ1-points and Pℵ2-points and the Rudin-Keisler ordering may be downward directed;Blass;Ann. Math. Logic,1987

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