Evacuation from StandardTableau
Schützenberger's evacuation (involution): remove the entry 1, slide the rest in, and give the cell that empties the largest label, until nothing is left.
FindStat's Mp00085. Computed as the insertion tableau of the reading word reversed and complemented; the same shape, and an involution.
Called as CombinatorialMap(x, "Evacuation"). The head's page has its examples.
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Pick a statistic on StandardTableau. Its distribution over the images of StandardTableau at each size is computed, and compared with the 25 statistics on StandardTableau: those that share it are the ones the map sends it to, as far as the sizes computed show.
FindStat Mp00085
Schützenberger involution
Matched by value: our map agrees with FindStat's image on each of the 119 rows of size at most 6 we can read (0 unread; its table has 1200 rows).
BijectionGraded mapInvolutionas FindStat records them, checked by FindStat's contributors.
| Object | Image |
|---|---|
[[1]] | [[1]] |
[[1,2]] | [[1,2]] |
[[1,2,3]] | [[1,2,3]] |
[[1],[2]] | [[1],[2]] |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/Mp00085 has the rest.