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Mathematics Colloquium


Date:  Tuesday, January 27, 2009

Title:  Uncountable abelian groups that want to be free

Abstract:  The title refers to those abelian groups whose failure to be free is caused by set-theoretic rather than algebraic issues. An easy example is the group of infinite sequences of integers (with the operation of componentwise addition). I plan to use the theory of such groups, in particular questions about how far they are from being free, as a motivation for giving quick glimpses of some of the main areas of contemporary set theory.

Speaker:  Andreas Blass
Institution:  Univ of Michigan


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