The almost disjointness cardinal invariant in the quotient algebra of the rationals modulo the nowhere dense subsets

Real Analysis Exchange

Volumn 27, Issue 2, 2002, Pages 795-800

  Steprans, Juris ^a  

^a YORK UNIVERSITY   (Canada)

Author keywords

Almost disjoint family; Ideal; Quotient algebra

Indexed keywords

EID: 10244229391     PISSN: 01471937     EISSN: 19301219     Source Type: Journal    
DOI: 10.14321/realanalexch.27.2.0795     Document Type: Article

References (6)

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5. S. Shelah and J. Steprans, Possible cardinalities of maximal abelian subgroups of quotients of permutation groups on the integers, http://hausdorff.math.yorku.ca/Research/menu.html, (2001)
6. S. Shelah, Non-elementary proper forcing notions, unpublished, 630 in Shelah's personal classification