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On the cone of nonnegative circuits

Discrete & Computational Geometry (1986) 1(1) 229-239
DOI: 10.1007/BF02187697
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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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Hoffman, A. J., & Lee, C. W. (1986). On the cone of nonnegative circuits. Discrete & Computational Geometry, 1(1), 229–239. https://doi.org/10.1007/BF02187697

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