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AML
2011
221views Mathematics» more  AML 2011»
13 years 4 days ago
A remark on the tree property in a choiceless context
We show that the consistency of the theory “ZF + DC + Every successor cardinal is regular + Every limit cardinal is singular + Every successor cardinal satisfies the tree prope...
Arthur W. Apter
JSYML
2008
71views more  JSYML 2008»
13 years 8 months ago
Regular ultrafilters and finite square principles
We show that many singular cardinals above a strongly compact cardinal have regular ultrafilters D that violate the finite square principle fin ,D introduced in [3]. For such ult...
Juliette Kennedy, Saharon Shelah, Jouko A. Vä...
AML
2005
58views more  AML 2005»
13 years 8 months ago
Successors of singular cardinals and coloring theorems I
In this paper, we investigate the extent to which techniques used in [10], [2], and [3] -- developed to prove coloring theorems at successors of singular cardinals of uncountable c...
Todd Eisworth, Saharon Shelah
APAL
2006
60views more  APAL 2006»
13 years 8 months ago
The Proper Forcing Axiom, Prikry forcing, and the Singular Cardinals Hypothesis
The purpose of this paper is to present some results which suggest that the Singular Cardinals Hypothesis follows from the Proper Forcing Axiom. What will be proved is that a form ...
Justin Tatch Moore