On ray class annihilators of cyclotomic function fields

@article{Bae2011OnRC,
  title={On ray class annihilators of cyclotomic function fields},
  author={Sunghan Bae and Hwan Yup Jung},
  journal={Acta Arithmetica},
  year={2011},
  volume={150},
  pages={23-34}
}
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References

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By a cyclotomic field, we shall mean a subfield of the complex numbers C generated over the rational numbers Q by a root of unity. Let k be an imaginary cyclotomic field. Let Cn = e2ri/" for any
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In classical number theory, one has the famous theorem of Kummer–Sinnott giving the index of the cyclotomic units in the total unit group. Using the division values of sgn-normalized rank one
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A unit index-class number formula is proved for subfields of cyclotomic function fields in analogy with similar results for subfields of cyclotomic number fields. Let m be a positive integer and let
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