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
Jean-Louis Goffin, Alan J. Hoffman
Linear Algebra and Its Applications
Ulrich Faigle, Alan J. Hoffman, et al.
SIAM Journal on Discrete Mathematics