Brauer Groups, Hopf Algebras and Galois Theory
Seiten
1998
Kluwer Academic Publishers (Verlag)
978-0-7923-4829-0 (ISBN)
Kluwer Academic Publishers (Verlag)
978-0-7923-4829-0 (ISBN)
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This volume is devoted to the Brauer group of a commutative ring and related invariants. Part I presents a self-contained exposition of the Brauer group of a commutative ring. Included is a systematic development of the theory of Grothendieck topologies and etale cohomology, and discussion of topics such as Gabber's theorem and the theory of Taylor's big Brauer group of algebras without a unit. Part II presents a systematic development of the Galois theory of Hopf algebras with special emphasis on the group of Galois objects of a cocommutative Hopf algebra. The development of the theory is carried out in such a way that the connection to the theory of the Brauer group in Part I is made clear. The Brauer-Long group of a Hopf algebra over a commutative ring is discussed in Part III. This provides a link between the first two parts of the volume and is the first time this topic has been discussed in a monograph.
I: The Brauer Group of a Commutative Ring. 1. Morita Theory for Algebras without a Unit. 2. Azumaya Algebras and Taylor-Azumaya Algebras. 3. The Brauer Group. 4. Central Separable Algebras. 5. Amitsur Cohomology and etale Cohomology. 6. Cohomological Interpretation of the Brauer Group. II: Hopf Algebras and Galois Theory. 7. Hopf Algebras. 8. Galois Objects. 9. Cohomology over Hopf Algebras. 10. The Group of Galois (co)Objects. 11. Some Examples. III: The Brauer-Long Group of a Commutative Ring. 12. H-Azumaya Algebras. 13. The Brauer-Long Group of a Commutative Ring. 14. The Brauer Group of Yetter- Drinfel'd Module Algebras. A: Abelian Categories and Homological Algebra. B: Faithfully Flat Descent. C: Elementary Algebraic K-Theory.
| Erscheint lt. Verlag | 31.1.1998 |
|---|---|
| Reihe/Serie | K-Monographs in Mathematics ; v. 4 |
| Zusatzinfo | bibliography, index |
| Sprache | englisch |
| Einbandart | gebunden |
| Themenwelt | Mathematik / Informatik ► Mathematik ► Algebra |
| Mathematik / Informatik ► Mathematik ► Arithmetik / Zahlentheorie | |
| ISBN-10 | 0-7923-4829-X / 079234829X |
| ISBN-13 | 978-0-7923-4829-0 / 9780792348290 |
| Zustand | Neuware |
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