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Quaternion https://t.co/fSatfWlIeQ
Quaternion https://t.co/fSatfWlIeQ
@benblumsmith Probably not the optimal reference, but it is a special case of Lemma 9.6.4 in Quaternion Algebras: https://t.co/IZA8moJsrc
Open access! | John Voight, Quaternion algebras, Springer https://t.co/sA61kcdVhQ
https://t.co/6fyMG0r7po そういえば Springer のクォータニオンのPDF(877ページ!)がオープンアクセスだった