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Cayley Number


There are two completely different definitions of Cayley numbers. The first and most commonly encountered type of Cayley number is the eight elements in a Cayley algebra, more commonly known as octonions. A quantity which describes a Del Pezzo surface is sometimes also called a Cayley number (Coxeter 1973, p. 211).


See also

Complex Number, Octonion, Quaternion, Real Number

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References

Coxeter, H. S. M. Regular Polytopes, 3rd ed. New York: Dover, 1973.

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Cayley Number

Cite this as:

Weisstein, Eric W. "Cayley Number." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/CayleyNumber.html

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