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» on the singular cardinals
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ORDER
2002
73views more  ORDER 2002»
13 years 10 months ago
Antichains in Products of Linear Orders
We show that: (1) For many regular cardinals (in particular, for all successors of singular strong limit cardinals, and for all successors of singular -limits), for all n {2, 3, ...
Martin Goldstern, Saharon Shelah
JSYML
2006
97views more  JSYML 2006»
13 years 10 months ago
The proper forcing axiom and the singular cardinal hypothesis
We show that the Proper Forcing Axiom implies the Singular Cardinal Hypothesis. The proof uses the reflection principle MRP introduced by Moore in [11].
Matteo Viale
APAL
2010
117views more  APAL 2010»
13 years 11 months ago
Club-guessing, stationary reflection, and coloring theorems
We obtain very strong coloring theorems at successors of singular cardinals from failures of certain instances of simultaneous reflection of stationary sets. In particular, the sim...
Todd Eisworth
AML
2008
56views more  AML 2008»
13 years 11 months ago
On a question of Pereira
Answering a question of Pereira we show that it is possible to have a model violating the Singular Cardinal Hypothesis without a tree-like continuous scale.
Moti Gitik
APAL
2010
75views more  APAL 2010»
13 years 11 months ago
Global singularization and the failure of SCH
We say that is
Radek Honzik