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arxiv: 1204.3487 · v2 · pith:XEWV6DGHnew · submitted 2012-04-16 · 🧮 math.AG · math.CO

Rank of divisors on graphs: an algebro-geometric analysis

classification 🧮 math.AG math.CO
keywords algebro-geometricgraphsranktheoryanalysisassociatingcasescombinatorial
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The divisor theory for graphs is compared to the theory of linear series on curves through the correspondence associating a curve to its dual graph. An algebro-geometric interpretation of the combinatorial rank is proposed, and proved in some cases.

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