Alan J. Hoffman, Arthur F. Veinott Jr.
Mathematical Programming
We discuss three equivalent formulations of a theorem of Seymour on nonnegative sums of circuits of a graph, and present a different (but not shorter) proof of Seymour's resut. © 1986 Springer-Verlag New York Inc.
Alan J. Hoffman, Arthur F. Veinott Jr.
Mathematical Programming
Alan J. Hoffman
Linear Algebra and Its Applications
Jean-Louis Goffin, Alan J. Hoffman
Linear Algebra and Its Applications
Alan J. Hoffman, Baruch Schieber
Discrete Applied Mathematics