Cyclic Galois extensions of commutative rings Cornelius Greither.
Material type: TextLanguage: English Series: Lecture notes in mathematics (Springer-Verlag) ; 1534.Publication details: Berlin ; New York : Springer-Verlag, c1992.Description: 1 online resource (x, 145 p.) : illISBN:- 9783540475392 (electronic bk.)
- 3540475397 (electronic bk.)
- 512.7 GRE
Item type | Current library | Collection | Call number | Status | Date due | Barcode |
---|---|---|---|---|---|---|
Project book | CUTN Central Library | Non-fiction | 512.7 GRE (Browse shelf(Opens below)) | Checked out to Renuka Devi V (20019T) | 31/01/2024 | 48823 |
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Includes bibliographical references (p. [140]-143) and index.
Galois theory of commutative rings
Cornelius Greither
Pages 1-31
PDF
Cyclotomic descent Cornelius Greither Pages 32-54
Corestriction and Hilbert's Theorem 90 Cornelius Greither Pages 55-66
Calculations with units Cornelius Greither Pages 67-76
Cyclic p-extensions and {ie771-}-extensions of number fields Cornelius Greither Pages 77-96
Geometric theory: cyclic extensions of finitely generated fields Cornelius Greither Pages 97-108
Cyclic Galois theory without the condition “p −1 ≥ R”
Cornelius Greither Pages 109-139
Back Matter Pages 140-145
Online version restricted to NUS staff and students only through NUSNET.
The structure theory of abelian extensions of commutative rings is a subjectwhere commutative algebra and algebraic number theory overlap. This exposition is aimed at readers with some background in either of these two fields. Emphasis is given to the notion of a normal basis, which allows one to view in a well-known conjecture in number theory (Leopoldt's conjecture) from a new angle. Methods to construct certain extensions quite explicitly are also described at length.
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