Preface |
Preliminaries / Chapter 1.: |
Notation and terminology / 1.: |
Polynomial algebras / 2.: |
Integral extensions / 3.: |
Tensor products / 4.: |
Module-theoretic prerequisites / 5.: |
Topological prerequisites / 6.: |
Classical Topics in Field Theory / Chapter 2.: |
Algebraic extensions |
Normal extensions |
Separable, purely inseparable and simple extensions |
Galois extensions |
Finite fields, roots of unity and cyclotomic extensions |
Norms, traces and their applications |
Discriminants and integral bases / 7.: |
Units in quadratic fields / 8.: |
Units in pure cubic fields / 9.: |
Finite Galois theory / 10.: |
Profinite groups / 11.: |
Infinite Galois theory / 12.: |
Witt vectors / 13.: |
Cyclic extensions / 14.: |
Kummer theory / 15.: |
Radical extensions and related results / 16.: |
Degrees of sums in a separable field extension / 17.: |
Galois cohomology / 18.: |
The Brauer group of a field / 19.: |
An interpretation of H[superscript 3 subscript O](G,E*) / 20.: |
A cogalois theory for radical extensions / 21.: |
Abelian p-extensions over fields of characteristic p / 22.: |
Formally real fields / 23.: |
Transcendental extensions / 24.: |
Valuation Theory / Chapter 3.: |
Valuations |
Valuation rings and places |
Dedekind domains |
Completion of a field |
Extensions of valuations |
Valuations of algebraic number fields |
Ramification index and residue degree |
Structure of complete discrete valued fields |
The equal characteristic case / A.: |
The unequal characteristic case / C.: |
The inertia field / D.: |
Cyclotomic extensions of p-adic fields / E.: |
Multiplicative Groups of Fields / Chapter 4.: |
Some general observations |
Infinite abelian groups |
The Dirichlet-Chevalley-Hasse Unit Theorem |
The torsion subgroup |
Global fields |
Algebraically closed, real closed and the rational p-adic fields |
Local fields |
Preparatory results |
Extensions of algebraic number fields |
Brandis's theorem |
Fields with free multiplicative groups modulo torsion |
A nonsplitting example |
Embedding groups |
Multiplicative groups under field extensions |
Notes |
Bibliography |
Notation |
Index |
Preface |
Preliminaries / Chapter 1.: |
Notation and terminology / 1.: |