Annihilators of the class group of a compositum of quadratic fields

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Authors	HERMAN Jan
Year of publication	2013
Type	Article in Periodical
Magazine / Source	Archivum Mathematicum
MU Faculty or unit	Faculty of Science
Citation
Web	http://dml.cz/handle/10338.dmlcz/143546
Doi	http://dx.doi.org/10.5817/AM2013-4-209
Field	General mathematics
Keywords	annihilators; class group; circular (cyclotomic) units; compositum of quadratic fields
Description	This paper is devoted to a construction of new annihilators of the ideal class group of a tamely ramified compositum of quadratic fields. These annihilators are produced by a modified Rubin’s machinery. The aim of this modification is to give a stronger annihilation statement for this specific type of fields.
Related projects:	Algebraic and geometric methods and structures