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- W4298214881 abstract "Adapting Lindstrom's well-known construction, we consider a wide class of functions which are generated by flows in a planar acyclic directed graph whose vertices (or edges) take weights in an arbitrary commutative semiring. We give a combinatorial description for the set of universal quadratic relations valid for such functions. Their specializations to particular semirings involve plenty of known quadratic relations for minors of matrices (e.g., Plucker relations) and the tropical counterparts of such relations. Also some applications and related topics are discussed." @default.
- W4298214881 created "2022-10-01" @default.
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- W4298214881 date "2011-02-13" @default.
- W4298214881 modified "2023-09-30" @default.
- W4298214881 title "Planar flows and quadratic relations over semirings" @default.
- W4298214881 doi "https://doi.org/10.48550/arxiv.1102.2578" @default.
- W4298214881 hasPublicationYear "2011" @default.
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