Showing 2000 · math.LOShow all
2 papers · 2 filters
math.LO2000
On our paper `Almost Free Splitter', a correction
Rüdiger Göbel, Saharon Shelah
Let R be a subring of Q and recall from math.LO/9910161 that an R-module G is a splitter if Ext_R(G,G)=0. We correct the statement of Main Theorem 1.5 in math.LO/9910161. Assuming…
math.LO2000
Reflexive subgroups of the Baer-Specker group and Martin's axiom
Rüdiger Göbel, Saharon Shelah
In two recent papers (math.LO/0003164 and math.LO/0003165) we answered a question raised in the book by Eklof and Mekler (p. 455, Problem 12) under the set theoretical hypothesis o…