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InverseYip ​

The set partition joined by the arcs of the rook placement that Yip's bijection psi assigns to the set partition.

InverseYip(SetPartition)The set partition joined by the arcs of the rook placement that Yip's bijection psi assigns to the set partition.
Typed signatures
TypePackageApplies
(set_partition) -> set_partitioncombinatoricsalways

Domain: Combinatorial maps

Details
  • Takes a SetPartition and returns a SetPartition — a typed map, so a wrong carrier is a type error rather than a wrong answer.
  • FindStat's Mp00219, the inverse of Yip.

Examples

Basic #

the set partition {1,3}∣{2}∣{4}\{1,3\} \mid \{2\} \mid \{4\}

live ↗
InInverseYip(SetPartition⁡([[1,3],[2],[4]]))\mathrm{InverseYip}({\operatorname{SetPartition}}([[1, 3], [2], [4]]))OutSetPartition⁡([[1],[2,3],[4]]){\operatorname{SetPartition}}([[1], [2, 3], [4]])
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Examples1
CrosswalkFindStat