Hopf Algebras, Polynomial Formal Groups, and Raynaud Orders

Hopf Algebras, Polynomial Formal Groups, and Raynaud Orders
Author :
Publisher : American Mathematical Soc.
Total Pages : 133
Release :
ISBN-10 : 9780821810774
ISBN-13 : 0821810774
Rating : 4/5 (774 Downloads)

Book Synopsis Hopf Algebras, Polynomial Formal Groups, and Raynaud Orders by : Lindsay Childs

Download or read book Hopf Algebras, Polynomial Formal Groups, and Raynaud Orders written by Lindsay Childs and published by American Mathematical Soc.. This book was released on 1998 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume 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.


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