InverseToricPromotion

The same swaps as ToricPromotion in the opposite order: n and 1, then n - 1 and n, down to 1 and 2.

FindStatMp00309via Permutation↗

InverseToricPromotion(Permutation)The same swaps as ToricPromotion in the opposite order: n and 1, then n - 1 and n, down to 1 and 2.

Typed signatures

Type	Package	Applies
(permutation) -> permutation	combinatorics	always

Domain: Combinatorial maps

Details

• Takes a Permutation and returns a Permutation — a typed map, so a wrong carrier is a type error rather than a wrong answer.
• FindStat's Mp00309, titled the inverse of toric promotion.

Examples

Basic #

the one-line word $231$

live ↗

In$\mathrm{InverseToricPromotion}({\operatorname{Permutation}}([2, 3, 1]))$Out${\operatorname{Permutation}}([1, 3, 2])$

About

Examples	1
Crosswalk	FindStat