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Representation Theory of Finite Group Extensions - Clifford Theory, Mackey Obstruction, and the Orbit Method (Hardcover, 1st ed. 2022) Loot Price: R3,612
Discovery Miles 36 120
You Save: R374 (9%)
Representation Theory of Finite Group Extensions - Clifford Theory, Mackey Obstruction, and the Orbit Method (Hardcover, 1st...

Representation Theory of Finite Group Extensions - Clifford Theory, Mackey Obstruction, and the Orbit Method (Hardcover, 1st ed. 2022)

Tullio Ceccherini-Silberstein, Fabio Scarabotti, Filippo Tolli

Series: Springer Monographs in Mathematics

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Was R3,986 Loot Price R3,612 Discovery Miles 36 120 | Repayment Terms: R338 pm x 12* You Save R374 (9%)

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This monograph adopts an operational and functional analytic approach to the following problem: given a short exact sequence (group extension) 1 N G H 1 of finite groups, describe the irreducible representations of G by means of the structure of the group extension. This problem has attracted many mathematicians, including I. Schur, A.H. Clifford, and G. Mackey and, more recently, M. Isaacs, B. Huppert, Y.G. Berkovich & E.M. Zhmud, and J.M.G. Fell & R.S. Doran.The main topics are, on the one hand, Clifford Theory and the Little Group Method (of Mackey and Wigner) for induced representations, and, on the other hand, Kirillov's Orbit Method (for step-2 nilpotent groups of odd order) which establishes a natural and powerful correspondence between Lie rings and nilpotent groups. As an application, a detailed description is given of the representation theory of the alternating groups, of metacyclic, quaternionic, dihedral groups, and of the (finite) Heisenberg group. The Little Group Method may be applied if and only if a suitable unitary 2-cocycle (the Mackey obstruction) is trivial. To overcome this obstacle, (unitary) projective representations are introduced and corresponding Mackey and Clifford theories are developed. The commutant of an induced representation and the relative Hecke algebra is also examined. Finally, there is a comprehensive exposition of the theory of projective representations for finite Abelian groups which is applied to obtain a complete description of the irreducible representations of finite metabelian groups of odd order.

General

Imprint: Springer International Publishing AG
Country of origin: Switzerland
Series: Springer Monographs in Mathematics
Release date: November 2022
First published: 2022
Authors: Tullio Ceccherini-Silberstein • Fabio Scarabotti • Filippo Tolli
Dimensions: 235 x 155mm (L x W)
Format: Hardcover
Pages: 340
Edition: 1st ed. 2022
ISBN-13: 978-3-03-113872-0
Categories: Books > Science & Mathematics > Mathematics > Algebra > Groups & group theory
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LSN: 3-03-113872-4
Barcode: 9783031138720

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