Don Coppersmith
IEEE Trans. Inf. Theory
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
IEEE Trans. Inf. Theory
Don Coppersmith, Michel Petitjean
Comptes Rendus Mathematique
Ephraim Feig
Journal of Algorithms
Don Coppersmith, David Gamarnik, et al.
Random Structures and Algorithms