Download or read book Subgroup Decomposition in Out(Fn) written by Michael Handel and published by American Mathematical Soc.. This book was released on 2020-05-13 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work the authors develop a decomposition theory for subgroups of Out(Fn) which generalizes the decomposition theory for individual elements of Out(Fn) found in the work of Bestvina, Feighn, and Handel, and which is analogous to the decomposition theory for subgroups of mapping class groups found in the work of Ivanov.