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» Easton's theorem and large cardinals
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70
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APAL
2008
83views more  APAL 2008»
15 years 21 days ago
Easton's theorem and large cardinals
The continuum function F on regular cardinals is known to have great freedom; if , are regular cardinals, then F needs only obey the following two restrictions: (1) cf(F()) > ...
Sy D. Friedman, Radek Honzik
72
Voted
APAL
2006
56views more  APAL 2006»
15 years 19 days ago
Power function on stationary classes
We show that under certain large cardinal requirements there is a generic extension in which the power function behaves differently on different stationary classes. We achieve this...
Moti Gitik, Carmi Merimovich
77
Voted
JSYML
2008
72views more  JSYML 2008»
15 years 16 days ago
Perfect trees and elementary embeddings
An important technique in large cardinal set theory is that of extending an elementary embedding j : M N between inner models to an elementary embedding j : M[G] N[G] between ge...
Sy-David Friedman, Katherine Thompson
94
Voted
JSYML
2008
78views more  JSYML 2008»
15 years 16 days ago
Hierarchies of forcing axioms I
Abstract. We prove new upper bound theorems on the consistency strengths of SPFA(), SPFA(-linked) and SPFA(+ -cc). Our results are in terms of (, )-subcompactness, which is a new l...
Itay Neeman, Ernest Schimmerling
87
Voted
MLQ
2007
116views more  MLQ 2007»
15 years 2 days ago
Local sentences and Mahlo cardinals
Local sentences were introduced by Ressayre in [Res88] who proved certain remarkable stretching theorems establishing the equivalence between the existence of finite models for t...
Olivier Finkel, Stevo Todorcevic