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)
Nikhil Bansal, Don Coppersmith, et al.
SODA 2006
Don Coppersmith
Journal of Cryptology
Ephraim Feig
Journal of Algorithms