Title
Diamond and antichains
Abstract
Abstract. It is obvious that implies the existence of an an-tichain of stationary sets of cardinality 2,, which is the largest possible cardinality. We show that the obvious antichain is not maximal and find a less obvious extension of it by <SUB>2 more sta-tionary sets.
Year
DOI
Venue
2005
10.1007/s00153-004-0247-x
Arch. Math. Log.
Keywords
Field
DocType
algebra,mathematics
Diamond,Discrete mathematics,Combinatorics,Antichain,Cardinality,Mathematics,Mathematical logic
Journal
Volume
Issue
ISSN
44
1
1432-0665
Citations 
PageRank 
References 
0
0.34
0
Authors
2
Name
Order
Citations
PageRank
James Cummings17913.41
Ernest Schimmerling210.74