The Solution of the Kgv Problem
, by Schmidt, Peter- ISBN: 9781860949708 | 1860949703
- Cover: Hardcover
- Copyright: 12/21/2007
Preface | p. vii |
Conjugacy Classes, Characters, and Clifford Theory | p. 1 |
Class Functions and Characters | p. 1 |
Induced and Tensor-induced Modules | p. 3 |
Schur's Lemma | p. 4 |
Brauer's Permutation Lemma | p. 6 |
Algebraic Conjugacy | p. 7 |
Coprime Actions | p. 9 |
Invariant and Good Conjugacy Classes | p. 10 |
Nonstable Clifford Theory | p. 12 |
Stable Clifford Theory | p. 13 |
Good Conjugacy Classes and Extendible Characters | p. 18 |
Blocks of Characters and Brauer's k(B) Problem | p. 19 |
Modular Decomposition and Brauer Characters | p. 19 |
Cartan Invariants and Blocks | p. 21 |
Defect and Defect Groups | p. 23 |
The Brauer-Feit Theorem | p. 25 |
Higher Decomposition Numbers, Subsections | p. 26 |
Blocks of p-Solvable Groups | p. 28 |
Coprime F[subscript p]X-Modules | p. 31 |
The k(GV) Problem | p. 32 |
Preliminaries | p. 32 |
Transitive Linear Groups | p. 34 |
Subsections and Point Stabilizers | p. 36 |
Abelian Point Stabilizers | p. 41 |
Symplectic and Orthogonal Modules | p. 45 |
Self-dual Modules | p. 45 |
Extraspecial Groups | p. 47 |
Holomorphs | p. 49 |
Good Conjugacy Classes Once Again | p. 54 |
Some Weil Characters | p. 56 |
Symplectic and Orthogonal Modules | p. 60 |
Real Vectors | p. 63 |
Regular, Abelian and Real Vectors | p. 63 |
The Robinson-Thompson Theorem | p. 66 |
Search for Real Vectors | p. 68 |
Clifford Reduction | p. 71 |
Reduced Pairs | p. 74 |
Counting Methods | p. 74 |
Two Examples | p. 77 |
Reduced Pairs of Extraspecial Type | p. 82 |
Nonreal Reduced Pairs | p. 82 |
Fixed Point Ratios | p. 84 |
Point Stabilizers of Exponent 2 | p. 86 |
Characteristic 2 | p. 90 |
Extraspecial 3-Groups | p. 92 |
Extraspecial 2-Groups of Small Order | p. 96 |
The Remaining Cases | p. 103 |
Reduced Pairs of Quasisimple Type | p. 110 |
Nonreal Reduced Pairs | p. 110 |
Regular Orbits | p. 112 |
Covering Numbers, Projective Marks | p. 115 |
Sporadic Groups | p. 119 |
Alternating Groups | p. 121 |
Linear Groups | p. 125 |
Symplectic Groups | p. 129 |
Unitary Groups | p. 136 |
Orthogonal Groups | p. 145 |
Exceptional Groups | p. 147 |
Modules without Real Vectors | p. 148 |
Some Fixed Point Ratios | p. 148 |
Tensor Induction of Reduced Pairs | p. 149 |
Tensor Products of Reduced Pairs | p. 155 |
The Riese-Schmid Theorem | p. 156 |
Nonreal Induced Pairs, Wreath Products | p. 160 |
Class Numbers of Permutation Groups | p. 170 |
The Partition Function | p. 170 |
Preparatory Results | p. 171 |
The Liebeck-Pyber Theorem | p. 172 |
Improvements | p. 174 |
The Final Stages of the Proof | p. 180 |
Class Numbers for Nonreal Reduced Pairs | p. 180 |
Counting Invariant Conjugacy Classes | p. 182 |
Nonreal Induced Pairs | p. 185 |
Characteristic 5 | p. 186 |
Summary | p. 194 |
Possibilities for k(GV) = [vertical bar]V[vertical bar] | p. 195 |
Preliminaries | p. 195 |
Some Congruences | p. 197 |
Reduced Pairs | p. 199 |
Some Consequences for Block Theory | p. 202 |
Brauer Correspondence | p. 202 |
Clifford Theory of Blocks | p. 203 |
Blocks with Normal Defect Groups | p. 207 |
The Non-Coprime Situation | p. 209 |
Cohomology of Finite Groups | p. 213 |
Some Parabolic Subgroups | p. 217 |
Weil Characters | p. 221 |
Bibliography | p. 225 |
List of Symbols | p. 230 |
Index | p. 231 |
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