Vetenskap & teknik
Pocket
Hopf Algebras, Polynomial Formal Groups and Raynaud Orders
Lindsay N Childs • Cornelius Greither • David J Moss • Jim Sauerberg • Karl Zimmermann
879:-
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This book gives two new methods for constructing $p$-elementary Hopf algebra orders over the valuation ring $R$ of a local field $K$ containing the $p$-adic rational numbers. One method constructs Hopf orders using isogenies of commutative degree 2 polynomial formal groups of dimension $n$, and is built on a systematic study of such formal group laws. The other method uses an exponential generalization of a 1992 construction of Greither. Both constructions yield Raynaud orders as iterated extensions of rank $p$ Hopf algebras; the exponential method obtains all Raynaud orders whose invariants satisfy a certain $p$-adic condition.
- Format: Pocket/Paperback
- ISBN: 9780821810774
- Språk: Engelska
- Utgivningsdatum: 1998-10-30
- Förlag: American Mathematical Society