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Class number parities of compositum of quadratic function fields

  • Sunghan Bae und Hwanyup Jung EMAIL logo
Veröffentlicht/Copyright: 28. April 2017
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Abstract

The parities of ideal class numbers of compositum of quadratic function fields are studied. Especially, the parities of ideal class numbers of Fq(t)(P,Q) and Fq(t)(P,Q,R) are completely determined in detail, where P,Q,R are monic irreducible polynomials of even degrees.


This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government(MSIP)(No. 2014001824).



(Communicated by Federico Pellarin)


Acknowledgement

The authors are enormously grateful to the anonymous referee whose comments and suggestions lead to a large improvement of the paper.

References

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Received: 2014-5-26
Accepted: 2014-11-25
Published Online: 2017-4-28
Published in Print: 2017-4-25

© 2017 Mathematical Institute Slovak Academy of Sciences

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