Determination of all subfields of cyclotomic function fields with divisor class number two
Commun. Korean Math. Soc. 2007 Vol. 22, No. 2, 163-171
Printed June 1, 2007
Jaehyun Ahn, Hwanyup Jung
Chungnam National University, Chungbuk National University
Abstract : In this paper, we determine all subfields of cyclotomic function fields with divisor class number two. We also give the generators of such fields explicitly.
Keywords : cyclotomic function field, divisor class number, genus
MSC numbers : 11R58
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