Biquaternion

In abstract algebra, the biquaternions are the numbers w + x i + y j + z k, where w, x, y, and z are complex numbers and the elements of {1, i, j, k} multiply as in the quaternion group. As there are three types of complex number, so there are three types of biquaternion: This article is about the ordinary biquaternions named by William Rowan Hami...
Found on http://en.wikipedia.org/wiki/Biquaternion

biquaternion

(from the article `Clifford, William Kingdon`) Clifford developed the theory of biquaternions (a generalization of the Irish mathematician Sir William Rowan Hamilton`s theory of quaternions) and ...
Found on http://www.britannica.com/eb/a-z/b/67
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