Category
page 1History of quaternions
hypercomplex number
element of a unital algebra over the field of real numbers
Cayley–Dickson construction
manner in which higher-dimension algebras may be produced
Olinde Rodrigues
French banker and mathematician (1795–1851)

Broom Bridge
bridge in Ireland
hyperbolic quaternion
unital nonassociative algebra over the real numbers generated by generators 𝑖, 𝑗, 𝑘 that mutually anticommute and each square to +1
composition algebra
not necessarily associative algebra
history of Lorentz transformations
aspect of history
Alexander McAulay
British mathematician and physicist (1863-1931)