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Rotations, Quaternions, and Double Groups Simon L. Altmann
Publisher: Dover Publications

Note that the quaternions q and −q represent the same rotation. Joseph, You work in the areas I have been reading (your books, of course) is fantastic. Quaternions are a simple and powerful tool for handling rotations and double groups. Altmann - Rotations, Quaternions, and Double Groups Oxford University Press | 1986 | ISBN: 0198553722 | Pages: 300 | DJVU | 2.77 MB. As for a referemce on their mathematics, Rotations, QUaternions, and Double Groups. Dan Pendleton says: January 15, 2011 at 5:43 pm. In other words, the group of quaternions is isomorphic to the double cover Spin(3) of the rotation group SO(3). Altmann - Rotations, Quaternions, and Double Groups. Rotations, quaternions, and double groups. Rotations, Quaternions, and Double Groups. Rotations.quaternions.and.double.groups.pdf.