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The rise-contact involution on Tamari intervals - MaRDI portal

The rise-contact involution on Tamari intervals (Q2420560)

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The rise-contact involution on Tamari intervals
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    The rise-contact involution on Tamari intervals (English)
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    6 June 2019
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    Summary: We describe an involution on Tamari intervals and \(m\)-Tamari intervals. This involution switches two sets of statistics known as the ``rises'' and the ``contacts'' and so proves an open conjecture from Préville-Ratelle on intervals of the \(m\)-Tamari lattice.
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    \(m\)-Tamari lattice
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