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Linear transformations preserving log-concavity - MaRDI portal

Linear transformations preserving log-concavity (Q1864968)

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scientific article; zbMATH DE number 1886834
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Linear transformations preserving log-concavity
scientific article; zbMATH DE number 1886834

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    Linear transformations preserving log-concavity (English)
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    23 March 2003
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    Linear maps on sequences that preserve the log-concave property are considered. The transformation \[ y_i= \sum^i_{j=0} {m+i\choose n+j},\;i=0,1, 2 \dots \] preserves this log-concave property as is proved.
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    sequences
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    log-concavity
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    linear transformations
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