Abstract
The present note studies the existence of unramified quaternion extensions over quadratic fields, and give an alternative proof of Lemmermeyer's result. Our method is based on the theory of embedding problems with restricted ramification.
Citation
Akito Nomura. "A note on unramified quaternion extensions over quadratic number fields." Proc. Japan Acad. Ser. A Math. Sci. 78 (6) 80 - 82, June 2002. https://doi.org/10.3792/pjaa.78.80
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