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Automorphism and similarity groups of forms determined by the characteristic polynomial

✍ Scribed by Wesolowski, Adam


Book ID
127120068
Publisher
Taylor and Francis Group
Year
1999
Tongue
English
Weight
269 KB
Volume
27
Category
Article
ISSN
0092-7872

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Determinants of integral ideal lattices
✍ Eva Bayer-Fluckiger πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 84 KB

The aim of this paper is to give a characterisation of the determinants and signatures of integral ideal lattices over a given algebraic number field. This is then used to obtain an existence criterion for automorphisms of given characteristic polynomial. In particular, we give a different proof of