Abstract
The geometry of numbers is used to prove results about the ideal class group of a number ring, in particular its finiteness, and determine the structure of the group of units of a number ring.
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Marcus, D.A. (2018). The Ideal Class Group and the Unit Group. In: Number Fields. Universitext. Springer, Cham. https://doi.org/10.1007/978-3-319-90233-3_5
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DOI: https://doi.org/10.1007/978-3-319-90233-3_5
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Online ISBN: 978-3-319-90233-3
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