Group Theory, Algebra, and Number Theory :Colloquium in Memory of Hans Zassenhaus held in Saarbrücken, Germany, June 4-5, 1993

Publication subTitle :Colloquium in Memory of Hans Zassenhaus held in Saarbrücken, Germany, June 4-5, 1993

Author: Horst G. Zimmer  

Publisher: De Gruyter‎

Publication year: 1996

E-ISBN: 9783110811957

P-ISBN(Paperback): 9783110153477

Subject:

Language: ENG

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Chapter

Introductory address

pp.:  1 – 11

After-dinner speech

pp.:  11 – 17

1. Introduction

pp.:  21 – 21

3. Exceptional Lie algebras

pp.:  23 – 24

4. Lie algebras of type An

pp.:  24 – 27

References

pp.:  27 – 32

The beginnings of modular Lie algebra theory

pp.:  32 – 33

1. Introduction

pp.:  33 – 33

2. Zassenhaus algebra

pp.:  33 – 35

3. Lie algebras of Cartan type

pp.:  35 – 39

4. Derivations

pp.:  39 – 42

5. Sandwiches, filiations, ‘classicality’ criterion

pp.:  42 – 46

6. Linear representations and Cartan prolongations

pp.:  46 – 53

7. Lie algebras over fields of small characteristic

pp.:  53 – 57

7.2. Characteristic p = 3

pp.:  57 – 58

7.1. Characteristic p = 5

pp.:  57 – 57

7.3. Characteristic p = 2

pp.:  58 – 62

8. Miscellaneous

pp.:  62 – 64

References

pp.:  64 – 65

Computing invariants of algebraic number fields

pp.:  65 – 73

1. Introduction

pp.:  73 – 73

2. Galois groups

pp.:  73 – 74

2.1. (B) Approximation of Γ from below

pp.:  74 – 75

2.2. (A) Approximation of Γ from above and verification

pp.:  75 – 76

3. Integral basis

pp.:  76 – 77

3.1. Round 2-method

pp.:  77 – 78

3.2. Round 4-method

pp.:  78 – 80

4. Unit group and class group

pp.:  80 – 81

4.1. Method I (assuming GRH)

pp.:  81 – 84

4.2. Method II (unconditional)

pp.:  84 – 85

5. Examples and applications

pp.:  85 – 89

References

pp.:  89 – 91

Kristallographische Gruppen

pp.:  91 – 95

1. Einleitung

pp.:  95 – 95

3. Die vierdimensionalen Raumgruppen

pp.:  95 – 101

2. Die Periode bis 1950 aus heutiger Sicht

pp.:  95 – 95

4. Spätere Entwicklungen

pp.:  101 – 104

5. Beispiele von Bravaismannigfaltigkeiten

pp.:  104 – 106

Literatur

pp.:  106 – 114

Endliche Fastkörper und Zassenhausgruppen

pp.:  114 – 117

2. Zur Kommutativität endlicher Divisionsringe

pp.:  117 – 119

1. Einleitung

pp.:  117 – 117

3. Gruppen mit Partition

pp.:  119 – 122

4. Mehr über fixpunktfreie Operation

pp.:  122 – 127

5. Gruppen mit pq-Bedingung

pp.:  127 – 130

6. Ausnahmecharaktere und der SL2(5)-Satz von Zassenhaus

pp.:  130 – 138

7. Das Isomorphieproblem

pp.:  138 – 143

8. Die 2-dimensionalen linearen Gruppen und der SL2(5)-Satz von Dickson

pp.:  143 – 146

9. Vollständige Fastkörper

pp.:  146 – 151

10. Zassenhausgruppen

pp.:  151 – 156

Literatur

pp.:  156 – 161

On the arithmetic of commutative group rings

pp.:  161 – 166

2. Constructible units

pp.:  166 – 169

1. Introduction

pp.:  166 – 166

3. Cyclic p-groups

pp.:  169 – 172

4. Functors on cyclotomic algebras

pp.:  172 – 177

4.1. Admissible functors

pp.:  177 – 178

4.2. Cyclogenic functors

pp.:  178 – 180

5. Local units and logarithms

pp.:  180 – 183

5.1. Polarized bases

pp.:  183 – 183

5.2. ogarithms and applications

pp.:  183 – 186

6. Regular primes

pp.:  186 – 190

6.1. Arithmetical background

pp.:  190 – 190

6.2. Abelian p-groups

pp.:  190 – 192

7. Irregular primes

pp.:  192 – 196

7.2. Non-constructible units

pp.:  196 – 199

7.1. A converse

pp.:  196 – 196

8.2. Comparison with global units

pp.:  199 – 206

8. Local units and global ideal classes

pp.:  199 – 202

8.1. Normal bases for local units

pp.:  202 – 199

8.3. Kernel groups

pp.:  206 – 209

9. Cyclic groups of composite order

pp.:  209 – 211

9.2. Even order

pp.:  211 – 213

9.1. An exact sequence

pp.:  211 – 211

9.3. Odd order

pp.:  213 – 215

References

pp.:  215 – 219

LastPages

pp.:  219 – 225

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