Abstract
In this chapter we assume that the reader is acquainted with the ordinary ideal theory in number fields. Cf. for instance [B7]. The first two sections should be read as technical background for Chapter 10, §2. On the other hand, although we strive for some completeness, once the reader sees the first results that the proper o-lattices form a multiplicative group, he can wait to read the other results until he needs them, as they are slightly technical. They are all classical, known to Dedekind, except possibly for the fact that a proper o-lattice is locally principal, which seems to have been first pointed out by Ihara [26]. The localization technique will be used heavily for the idelic formulation of the complex multiplication, as in Shimura [B12].
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© 1987 Springer-Verlag New York Inc.
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Lang, S. (1987). Results from Algebraic Number Theory. In: Elliptic Functions. Graduate Texts in Mathematics, vol 112. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-4752-4_8
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DOI: https://doi.org/10.1007/978-1-4612-4752-4_8
Publisher Name: Springer, New York, NY
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