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An involution for symmetry of hook length and part length of partitions

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arxiv 0907.4880 v2 pith:4GBGWBFB submitted 2009-07-28 math.CO

classification math.CO
keywords lengthhookinvolutionlambdapartpartitionspointedbessenrodt
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abstract

A {\em pointed partition} of $n$ is a pair $(\lambda, v)$ where $\lambda\vdash n$ and $v$ is a cell in its Ferrers diagram. We construct an involution on pointed partitions of $n$ exchanging "hook length" and "part length". This gives a bijective proof of a recent result of Bessenrodt and Han.

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