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Abstract
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We give two algorithms to compute layers of the anticyclotomic
-extension
of an imaginary quadratic field. The first is based on complex multiplication
techniques for nonmaximal orders; the second is based on Kummer theory. As an
illustration of our results, we use the mirroring principle to derive results on the
structure of class groups of nonmaximal orders.
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Keywords
anticyclotomic, Iwasawa theory, nonmaximal order
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Mathematical Subject Classification 2010
Primary: 11R23
Secondary: 14K22
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Milestones
Received: 19 February 2018
Revised: 9 September 2018
Accepted: 10 September 2018
Published: 13 February 2019
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