finite group algebras and their modules london mathematical society lecture note series

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Finite Group Algebras And Their Modules

Author : P. Landrock
ISBN : 9780521274876
Genre : Mathematics
File Size : 35. 1 MB
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Originally published in 1983, the principal object of this book is to discuss in detail the structure of finite group rings over fields of characteristic, p, P-adic rings and, in some cases, just principal ideal domains, as well as modules of such group rings. The approach does not emphasize any particular point of view, but aims to present a smooth proof in each case to provide the reader with maximum insight. However, the trace map and all its properties have been used extensively. This generalizes a number of classical results at no extra cost and also has the advantage that no assumption on the field is required. Finally, it should be mentioned that much attention is paid to the methods of homological algebra and cohomology of groups as well as connections between characteristic 0 and characteristic p.

Imprimitive Irreducible Modules For Finite Quasisimple Groups

Author : Gerhard Hiss
ISBN : 9781470409609
Genre : Mathematics
File Size : 40. 98 MB
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Motivated by the maximal subgroup problem of the finite classical groups the authors begin the classification of imprimitive irreducible modules of finite quasisimple groups over algebraically closed fields K. A module of a group G over K is imprimitive, if it is induced from a module of a proper subgroup of G. The authors obtain their strongest results when char(K)=0, although much of their analysis carries over into positive characteristic. If G is a finite quasisimple group of Lie type, they prove that an imprimitive irreducible KG-module is Harish-Chandra induced. This being true for \rm char(K) different from the defining characteristic of G, the authors specialize to the case char(K)=0 and apply Harish-Chandra philosophy to classify irreducible Harish-Chandra induced modules in terms of Harish-Chandra series, as well as in terms of Lusztig series. The authors determine the asymptotic proportion of the irreducible imprimitive KG-modules, when G runs through a series groups of fixed (twisted) Lie type. One of the surprising outcomes of their investigations is the fact that these proportions tend to 1, if the Lie rank of the groups tends to infinity. For exceptional groups G of Lie type of small rank, and for sporadic groups G, the authors determine all irreducible imprimitive KG-modules for arbitrary characteristic of K.

Clifford Algebras And Their Applications In Mathematical Physics

Author : J.S.R. Chisholm
ISBN : 9789400947283
Genre : Mathematics
File Size : 40. 29 MB
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William Kingdon Clifford published the paper defining his "geometric algebras" in 1878, the year before his death. Clifford algebra is a generalisation to n-dimensional space of quaternions, which Hamilton used to represent scalars and vectors in real three-space: it is also a development of Grassmann's algebra, incorporating in the fundamental relations inner products defined in terms of the metric of the space. It is a strange fact that the Gibbs Heaviside vector techniques came to dominate in scientific and technical literature, while quaternions and Clifford algebras, the true associative algebras of inner-product spaces, were regarded for nearly a century simply as interesting mathematical curiosities. During this period, Pauli, Dirac and Majorana used the algebras which bear their names to describe properties of elementary particles, their spin in particular. It seems likely that none of these eminent mathematical physicists realised that they were using Clifford algebras. A few research workers such as Fueter realised the power of this algebraic scheme, but the subject only began to be appreciated more widely after the publication of Chevalley's book, 'The Algebraic Theory of Spinors' in 1954, and of Marcel Riesz' Maryland Lectures in 1959. Some of the contributors to this volume, Georges Deschamps, Erik Folke Bolinder, Albert Crumeyrolle and David Hestenes were working in this field around that time, and in their turn have persuaded others of the importance of the subject.

Endotrivial Modules

Author : Nadia Mazza
ISBN : 9783030181567
Genre :
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Representations Of Groups

Author : Klaus Lux
ISBN : 9781139489188
Genre : Mathematics
File Size : 90. 56 MB
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The representation theory of finite groups has seen rapid growth in recent years with the development of efficient algorithms and computer algebra systems. This is the first book to provide an introduction to the ordinary and modular representation theory of finite groups with special emphasis on the computational aspects of the subject. Evolving from courses taught at Aachen University, this well-paced text is ideal for graduate-level study. The authors provide over 200 exercises, both theoretical and computational, and include worked examples using the computer algebra system GAP. These make the abstract theory tangible and engage students in real hands-on work. GAP is freely available from and readers can download source code and solutions to selected exercises from the book's web page.

Representations Of Algebras

Author : Peter Webb
ISBN : 0521312884
Genre : Mathematics
File Size : 34. 12 MB
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The latest developments in representation theory with emphasis on the representation type of finite-dimensional algebras.

London Mathematical Society Lecture Note Series

Author :
ISBN : UCAL:B5111461
Genre : Mathematics
File Size : 47. 77 MB
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Handbook Of Tilting Theory

Author : Lidia Angeleri Hügel
ISBN : 052168045X
Genre : Mathematics
File Size : 83. 45 MB
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A handbook of key articles providing both an introduction and reference for newcomers and experts alike.

Lectures On Block Theory

Author : Burkhard Külshammer
ISBN : 0521405653
Genre : Mathematics
File Size : 42. 33 MB
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This textbook is intended as a self contained introduction into that part of algebra known as representation of finite groups.

Characters And Blocks Of Finite Groups

Author : Gabriel Navarro
ISBN : 0521595134
Genre : Mathematics
File Size : 74. 57 MB
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This is a clear, accessible and up-to-date exposition of modular representation theory of finite groups from a character-theoretic viewpoint. After a short review of the necessary background material, the early chapters introduce Brauer characters and blocks and develop their basic properties. The next three chapters study and prove Brauer's first, second and third main theorems in turn. These results are then applied to prove a major application of finite groups, the Glauberman Z*-theorem. Later chapters examine Brauer characters in more detail. The relationship between blocks and normal subgroups is also explored and the modular characters and blocks in p-solvable groups are discussed. Finally, the character theory of groups with a Sylow p-subgroup of order p is studied. Each chapter concludes with a set of problems. The book is aimed at graduate students, with some previous knowledge of ordinary character theory, and researchers studying the representation theory of finite groups.

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