It satisfies
Powers of the matrix are defined by
The and are called Brahmagupta Polynomials. The Brahmagupta matrices can
be extended to Negative Integers
See also Brahmagupta Identity
References
Suryanarayan, E. R. ``The Brahmagupta Polynomials.'' Fib. Quart. 34, 30-39, 1996.
© 1996-9 Eric W. Weisstein
1999-05-26