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AML
2008
83views more  AML 2008»
13 years 5 months ago
Even more simple cardinal invariants
Using GCH, we force the following: There are continuum many simple cardinal characteristics with pairwise different values. Mathematics Subject Classification (2000) 03E17
Jakob Kellner
AML
2008
56views more  AML 2008»
13 years 5 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
AML
2008
55views more  AML 2008»
13 years 5 months ago
G-compactness and groups
Lascar described EK P as a composition of EL and the topological closure of EL (Casanovas et al. in J Math Log 1(2):305
Jakub Gismatullin, Ludomir Newelski
AML
2008
63views more  AML 2008»
13 years 5 months ago
Forcing with quotients
We study an extensive connection between quotient forcings of Borel subsets of Polish spaces modulo a -ideal and quotient forcings of subsets of countable sets modulo an ideal.
Michael Hrusák, Jindrich Zapletal
AML
2008
84views more  AML 2008»
13 years 4 months ago
Model theory of the regularity and reflection schemes
Abstract. This paper develops the model theory of ordered structures that satisfy Keisler's regularity scheme, and its strengthening REF(L) (the reflection scheme) which is an...
Ali Enayat, Shahram Mohsenipour