Alan J. Hoffman, Baruch Schieber
Discrete Applied Mathematics
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, Baruch Schieber
Discrete Applied Mathematics
Carl W. Lee
Israel Journal of Mathematics
Don Coppersmith, Alan J. Hoffman, et al.
Linear Algebra and Its Applications
Alan J. Hoffman, Kate Jenkins, et al.
Information Processing Letters