Don Coppersmith, Peter Doyle, et al.
Journal of the ACM (JACM)
A new algorithm for computing Hadamard transforms is presented. If n is a power of four, then the new algorithm uses ⅞ n logn multiply/adds to compute a Hadamard transform of length n. © 1994 IEEE
Don Coppersmith, Peter Doyle, et al.
Journal of the ACM (JACM)
Inder S. Gopal, Don Coppersmith, et al.
IEEE TC
Don Coppersmith, Uriel Feige, et al.
SIAM Journal on Discrete Mathematics
Elliot Linzer, Ephraim Feig
Mathematics of Computation