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Group Ring Groups : Structure Theorems of Unit Groups (Vol 2) (Paperback) (Eric Jespers)
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This two-volume graduate textbook gives a comprehensive, state-of-the-art account of describing large subgroups of the unit group of the integral group ring of a finite group and, more generally, of the unit group of an order in a finite dimensional semisimple rational algebra. Supporting problems illustrate the results and complete some of the proofs.
Volume 2 mainly is about structure theorems and geometric methods.