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A transformation of rational functions

✍ Scribed by George Boros, Michael Joyce, Victor H. Moll


Book ID
120741358
Publisher
Birkhäuser-Verlag
Year
2003
Weight
281 KB
Volume
58
Category
Article
ISSN
0013-6018

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On the Iwasawa invariants of the -transf
✍ Steven J. Rosenberg 📂 Article 📅 2004 🏛 Elsevier Science 🌐 English ⚖ 175 KB

Warren Sinnott gave a proof that Iwasawa's -invariant vanishes for the basic Z p -extension of any abelian number field by computing -transforms of rational functions. We present a new proof of this fact, and also give an upper bound on the corresponding -invariant.