About: Incidence algebra

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Associative algebra used in combinatorics, a branch of mathematics

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dbo:description	associative algebra used in combinatorics, a branch of mathematics (en) 任意の局所有限な半順序集合と単位元を持つ可換環に対して定義される結合多元環 (ja)
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rdfs:label	Incidence algebra (en) Inzidenzalgebra (de) Álgebra de incidencia (es) 隣接代数 (順序理論) (ja) Algebra di incidenza (it) 근접 대수 (ko) Álgebra de incidência (pt)
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