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arxiv: 1008.3278 · v2 · pith:77D4DCURnew · submitted 2010-08-19 · 🧮 math.CO

Linear extension sums as valuations of cones

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keywords coneslinearvaluationsalgebraicappliedcertainextensionextensions
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The geometric and algebraic theory of valuations on cones is applied to understand identities involving summing certain rational functions over the set of linear extensions of a poset.

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