A characterization of reduced incidence
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Andreas Kriegl
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Article
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1981
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Elsevier Science
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English
β 328 KB
This paper aims to give a criterium, in terms of the partial ordering on the po-set only, which decides whether or not an equivalence relation on the segments of the po-set is compatible (defined by Doubilet, Rota & Stanley [2] in terms of the convolution and the functions of the incidence algebra).