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Coppersmith, Don
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The optimality of the online greedy algorithm in carpool and chairman assignment problems
Coppersmith D., Nowicki T., Paleologo G., Tresser C., Wu C. ACM Transactions on Algorithms 7(3): 1-22, 2011. Type: Article
The chairman assignment problem is stated thus: “Suppose
k
states form a union and every year a union chairman has to be selected in such a way that at any time the accumulated number of chairmen from each ...
...
Dec 28 2011
Efficient routing in optical networks
Aggarwal A., Bar-Noy A., Coppersmith D., Ramaswami R., Schieber B., Sudan M. Journal of the ACM 43(6): 973-1001, 1996. Type: Article
The authors clearly describe models of optical networks and prove several upper and lower bounds, using a broad range of techniques. They also pose some good open problems....
...
Oct 1 1997
Matrix multiplication via arithmetic progressions
Coppersmith D., Winograd S. Journal of Symbolic Computation 9(3): 251-280, 1990. Type: Article
The obvious method for multiplying two
n
×
n
matrices takes
O
(
n
3
) operations. Ever since Strassen showed that this is not optimal, determi...
...
Jul 1 1991
Discrete logarithms in
GF
(
p
)
Coppersmith D., Odlyzko A. (ed), Schroeppel R. Literary & Linguistic Computing 1(1): 1-15, 1986. Type: Article
Several related algorithms are presented for computing logarithms in fields
GF
(
p
); that is, given integers
a, b
and a prime
p
, computing an integer
x
such that
a
x
:3W.9T
b
mod ...
...
Jul 1 1987
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