Hypernumbers {biquaternion} can be real quaternion plus w times real quaternion: a + b*i + c*j + d*k + w * (e + f*i + g*j + h*k), where w^2 = 1. w commutes with all real quaternions. Biquaternion operations obey multiplication product law and are linear, associative, and non-commutative.
Mathematical Sciences>Number Theory>Number Types>Complex Number>Hypercomplex
3-Number Theory-Number Types-Complex Number-Hypercomplex
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Date Modified: 2022.0224