Don Coppersmith, Alan J. Hoffman, et al.
Linear Algebra and Its Applications
Paper
On the cone of nonnegative circuits
Abstract
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.
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