Paper
On a problem of Zaks
Alan J. Hoffman
J. Comb. Theory Ser. A
This note describes some sufficient conditions for the maximum or minimum of a weighted flow (the weights are on paths, and are derived from weights on the edges of the path), of given volume in a series parallel graph to be found by a greedy algorithm. © 1988 The Mathematical Programming Society, Inc.
Alan J. Hoffman
J. Comb. Theory Ser. A
Terrence R. Scott, Alan J. Hoffman
IEEE Transactions on Circuits and Systems
Alan J. Hoffman, Kate Jenkins, et al.
Information Processing Letters
Alan J. Hoffman, Chai Wah Wu
American Mathematical Monthly