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This text investigates a natural question arising in the topological theory of $3$-manifolds, and applies the results to give new information about the deformation theory of …
The subject of the book is the relationship between definable forcing and descriptive set theory. The forcing serves as a tool for proving independence of inequalities between …
This memoir is both a contribution to the theory of Borel equivalence relations, considered up to Borel reducibility, and measure preserving group actions considered up to orbit …
This book is intended for graduate students and research mathematicians interested in set theory.