Minimizing bumps in ordered sets by substitution decomposition (Q1122595)

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scientific article; zbMATH DE number 4106912
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Minimizing bumps in ordered sets by substitution decomposition
scientific article; zbMATH DE number 4106912

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    Minimizing bumps in ordered sets by substitution decomposition (English)
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    1989
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    Consider a partially ordered set P of n elements. A linear extension \(x_ 1x_ 2...x_ n\) of P has a bump whenever \(x_ i<x_{i+1}\) in P. A decomposition theorem is presented for the problem of finding a linear extension of P with the minimal number of bumps.
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    autonomous subset
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    linear extension
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    minimal number of bumps
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