Identifier
-
Mp00080:
Set partitions
—to permutation⟶
Permutations
Mp00069: Permutations —complement⟶ Permutations
Mp00127: Permutations —left-to-right-maxima to Dyck path⟶ Dyck paths
St001291: Dyck paths ⟶ ℤ
Values
{{1}} => [1] => [1] => [1,0] => 1
{{1,2}} => [2,1] => [1,2] => [1,0,1,0] => 2
{{1},{2}} => [1,2] => [2,1] => [1,1,0,0] => 1
{{1,2,3}} => [2,3,1] => [2,1,3] => [1,1,0,0,1,0] => 3
{{1,2},{3}} => [2,1,3] => [2,3,1] => [1,1,0,1,0,0] => 2
{{1,3},{2}} => [3,2,1] => [1,2,3] => [1,0,1,0,1,0] => 3
{{1},{2,3}} => [1,3,2] => [3,1,2] => [1,1,1,0,0,0] => 1
{{1},{2},{3}} => [1,2,3] => [3,2,1] => [1,1,1,0,0,0] => 1
{{1,2,3,4}} => [2,3,4,1] => [3,2,1,4] => [1,1,1,0,0,0,1,0] => 4
{{1,2,3},{4}} => [2,3,1,4] => [3,2,4,1] => [1,1,1,0,0,1,0,0] => 3
{{1,2,4},{3}} => [2,4,3,1] => [3,1,2,4] => [1,1,1,0,0,0,1,0] => 4
{{1,2},{3,4}} => [2,1,4,3] => [3,4,1,2] => [1,1,1,0,1,0,0,0] => 2
{{1,2},{3},{4}} => [2,1,3,4] => [3,4,2,1] => [1,1,1,0,1,0,0,0] => 2
{{1,3,4},{2}} => [3,2,4,1] => [2,3,1,4] => [1,1,0,1,0,0,1,0] => 4
{{1,3},{2,4}} => [3,4,1,2] => [2,1,4,3] => [1,1,0,0,1,1,0,0] => 3
{{1,3},{2},{4}} => [3,2,1,4] => [2,3,4,1] => [1,1,0,1,0,1,0,0] => 3
{{1,4},{2,3}} => [4,3,2,1] => [1,2,3,4] => [1,0,1,0,1,0,1,0] => 4
{{1},{2,3,4}} => [1,3,4,2] => [4,2,1,3] => [1,1,1,1,0,0,0,0] => 1
{{1},{2,3},{4}} => [1,3,2,4] => [4,2,3,1] => [1,1,1,1,0,0,0,0] => 1
{{1,4},{2},{3}} => [4,2,3,1] => [1,3,2,4] => [1,0,1,1,0,0,1,0] => 4
{{1},{2,4},{3}} => [1,4,3,2] => [4,1,2,3] => [1,1,1,1,0,0,0,0] => 1
{{1},{2},{3,4}} => [1,2,4,3] => [4,3,1,2] => [1,1,1,1,0,0,0,0] => 1
{{1},{2},{3},{4}} => [1,2,3,4] => [4,3,2,1] => [1,1,1,1,0,0,0,0] => 1
{{1,2,3,4,5}} => [2,3,4,5,1] => [4,3,2,1,5] => [1,1,1,1,0,0,0,0,1,0] => 5
{{1,2,3,4},{5}} => [2,3,4,1,5] => [4,3,2,5,1] => [1,1,1,1,0,0,0,1,0,0] => 4
{{1,2,3,5},{4}} => [2,3,5,4,1] => [4,3,1,2,5] => [1,1,1,1,0,0,0,0,1,0] => 5
{{1,2,3},{4,5}} => [2,3,1,5,4] => [4,3,5,1,2] => [1,1,1,1,0,0,1,0,0,0] => 3
{{1,2,3},{4},{5}} => [2,3,1,4,5] => [4,3,5,2,1] => [1,1,1,1,0,0,1,0,0,0] => 3
{{1,2,4,5},{3}} => [2,4,3,5,1] => [4,2,3,1,5] => [1,1,1,1,0,0,0,0,1,0] => 5
{{1,2,4},{3,5}} => [2,4,5,1,3] => [4,2,1,5,3] => [1,1,1,1,0,0,0,1,0,0] => 4
{{1,2,4},{3},{5}} => [2,4,3,1,5] => [4,2,3,5,1] => [1,1,1,1,0,0,0,1,0,0] => 4
{{1,2,5},{3,4}} => [2,5,4,3,1] => [4,1,2,3,5] => [1,1,1,1,0,0,0,0,1,0] => 5
{{1,2},{3,4,5}} => [2,1,4,5,3] => [4,5,2,1,3] => [1,1,1,1,0,1,0,0,0,0] => 2
{{1,2},{3,4},{5}} => [2,1,4,3,5] => [4,5,2,3,1] => [1,1,1,1,0,1,0,0,0,0] => 2
{{1,2,5},{3},{4}} => [2,5,3,4,1] => [4,1,3,2,5] => [1,1,1,1,0,0,0,0,1,0] => 5
{{1,2},{3,5},{4}} => [2,1,5,4,3] => [4,5,1,2,3] => [1,1,1,1,0,1,0,0,0,0] => 2
{{1,2},{3},{4,5}} => [2,1,3,5,4] => [4,5,3,1,2] => [1,1,1,1,0,1,0,0,0,0] => 2
{{1,2},{3},{4},{5}} => [2,1,3,4,5] => [4,5,3,2,1] => [1,1,1,1,0,1,0,0,0,0] => 2
{{1,3,4,5},{2}} => [3,2,4,5,1] => [3,4,2,1,5] => [1,1,1,0,1,0,0,0,1,0] => 5
{{1,3,4},{2,5}} => [3,5,4,1,2] => [3,1,2,5,4] => [1,1,1,0,0,0,1,1,0,0] => 4
{{1,3,4},{2},{5}} => [3,2,4,1,5] => [3,4,2,5,1] => [1,1,1,0,1,0,0,1,0,0] => 4
{{1,3,5},{2,4}} => [3,4,5,2,1] => [3,2,1,4,5] => [1,1,1,0,0,0,1,0,1,0] => 5
{{1,3},{2,4,5}} => [3,4,1,5,2] => [3,2,5,1,4] => [1,1,1,0,0,1,1,0,0,0] => 3
{{1,3},{2,4},{5}} => [3,4,1,2,5] => [3,2,5,4,1] => [1,1,1,0,0,1,1,0,0,0] => 3
{{1,3,5},{2},{4}} => [3,2,5,4,1] => [3,4,1,2,5] => [1,1,1,0,1,0,0,0,1,0] => 5
{{1,3},{2,5},{4}} => [3,5,1,4,2] => [3,1,5,2,4] => [1,1,1,0,0,1,1,0,0,0] => 3
{{1,3},{2},{4,5}} => [3,2,1,5,4] => [3,4,5,1,2] => [1,1,1,0,1,0,1,0,0,0] => 3
{{1,3},{2},{4},{5}} => [3,2,1,4,5] => [3,4,5,2,1] => [1,1,1,0,1,0,1,0,0,0] => 3
{{1,4,5},{2,3}} => [4,3,2,5,1] => [2,3,4,1,5] => [1,1,0,1,0,1,0,0,1,0] => 5
{{1,4},{2,3,5}} => [4,3,5,1,2] => [2,3,1,5,4] => [1,1,0,1,0,0,1,1,0,0] => 4
{{1,4},{2,3},{5}} => [4,3,2,1,5] => [2,3,4,5,1] => [1,1,0,1,0,1,0,1,0,0] => 4
{{1,5},{2,3,4}} => [5,3,4,2,1] => [1,3,2,4,5] => [1,0,1,1,0,0,1,0,1,0] => 5
{{1},{2,3,4,5}} => [1,3,4,5,2] => [5,3,2,1,4] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1},{2,3,4},{5}} => [1,3,4,2,5] => [5,3,2,4,1] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1,5},{2,3},{4}} => [5,3,2,4,1] => [1,3,4,2,5] => [1,0,1,1,0,1,0,0,1,0] => 5
{{1},{2,3,5},{4}} => [1,3,5,4,2] => [5,3,1,2,4] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1},{2,3},{4,5}} => [1,3,2,5,4] => [5,3,4,1,2] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1},{2,3},{4},{5}} => [1,3,2,4,5] => [5,3,4,2,1] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1,4,5},{2},{3}} => [4,2,3,5,1] => [2,4,3,1,5] => [1,1,0,1,1,0,0,0,1,0] => 5
{{1,4},{2,5},{3}} => [4,5,3,1,2] => [2,1,3,5,4] => [1,1,0,0,1,0,1,1,0,0] => 4
{{1,4},{2},{3,5}} => [4,2,5,1,3] => [2,4,1,5,3] => [1,1,0,1,1,0,0,1,0,0] => 4
{{1,4},{2},{3},{5}} => [4,2,3,1,5] => [2,4,3,5,1] => [1,1,0,1,1,0,0,1,0,0] => 4
{{1,5},{2,4},{3}} => [5,4,3,2,1] => [1,2,3,4,5] => [1,0,1,0,1,0,1,0,1,0] => 5
{{1},{2,4,5},{3}} => [1,4,3,5,2] => [5,2,3,1,4] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1},{2,4},{3,5}} => [1,4,5,2,3] => [5,2,1,4,3] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1},{2,4},{3},{5}} => [1,4,3,2,5] => [5,2,3,4,1] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1,5},{2},{3,4}} => [5,2,4,3,1] => [1,4,2,3,5] => [1,0,1,1,1,0,0,0,1,0] => 5
{{1},{2,5},{3,4}} => [1,5,4,3,2] => [5,1,2,3,4] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1},{2},{3,4,5}} => [1,2,4,5,3] => [5,4,2,1,3] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1},{2},{3,4},{5}} => [1,2,4,3,5] => [5,4,2,3,1] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1,5},{2},{3},{4}} => [5,2,3,4,1] => [1,4,3,2,5] => [1,0,1,1,1,0,0,0,1,0] => 5
{{1},{2,5},{3},{4}} => [1,5,3,4,2] => [5,1,3,2,4] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1},{2},{3,5},{4}} => [1,2,5,4,3] => [5,4,1,2,3] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1},{2},{3},{4,5}} => [1,2,3,5,4] => [5,4,3,1,2] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1},{2},{3},{4},{5}} => [1,2,3,4,5] => [5,4,3,2,1] => [1,1,1,1,1,0,0,0,0,0] => 1
{{1,2,3,4,5,6}} => [2,3,4,5,6,1] => [5,4,3,2,1,6] => [1,1,1,1,1,0,0,0,0,0,1,0] => 6
{{1,2,3,4,5},{6}} => [2,3,4,5,1,6] => [5,4,3,2,6,1] => [1,1,1,1,1,0,0,0,0,1,0,0] => 5
{{1,2,3,4,6},{5}} => [2,3,4,6,5,1] => [5,4,3,1,2,6] => [1,1,1,1,1,0,0,0,0,0,1,0] => 6
{{1,2,3,4},{5,6}} => [2,3,4,1,6,5] => [5,4,3,6,1,2] => [1,1,1,1,1,0,0,0,1,0,0,0] => 4
{{1,2,3,4},{5},{6}} => [2,3,4,1,5,6] => [5,4,3,6,2,1] => [1,1,1,1,1,0,0,0,1,0,0,0] => 4
{{1,2,3,5,6},{4}} => [2,3,5,4,6,1] => [5,4,2,3,1,6] => [1,1,1,1,1,0,0,0,0,0,1,0] => 6
{{1,2,3,5},{4,6}} => [2,3,5,6,1,4] => [5,4,2,1,6,3] => [1,1,1,1,1,0,0,0,0,1,0,0] => 5
{{1,2,3,5},{4},{6}} => [2,3,5,4,1,6] => [5,4,2,3,6,1] => [1,1,1,1,1,0,0,0,0,1,0,0] => 5
{{1,2,3,6},{4,5}} => [2,3,6,5,4,1] => [5,4,1,2,3,6] => [1,1,1,1,1,0,0,0,0,0,1,0] => 6
{{1,2,3},{4,5,6}} => [2,3,1,5,6,4] => [5,4,6,2,1,3] => [1,1,1,1,1,0,0,1,0,0,0,0] => 3
{{1,2,3},{4,5},{6}} => [2,3,1,5,4,6] => [5,4,6,2,3,1] => [1,1,1,1,1,0,0,1,0,0,0,0] => 3
{{1,2,3,6},{4},{5}} => [2,3,6,4,5,1] => [5,4,1,3,2,6] => [1,1,1,1,1,0,0,0,0,0,1,0] => 6
{{1,2,3},{4,6},{5}} => [2,3,1,6,5,4] => [5,4,6,1,2,3] => [1,1,1,1,1,0,0,1,0,0,0,0] => 3
{{1,2,3},{4},{5,6}} => [2,3,1,4,6,5] => [5,4,6,3,1,2] => [1,1,1,1,1,0,0,1,0,0,0,0] => 3
{{1,2,3},{4},{5},{6}} => [2,3,1,4,5,6] => [5,4,6,3,2,1] => [1,1,1,1,1,0,0,1,0,0,0,0] => 3
{{1,2,4,5,6},{3}} => [2,4,3,5,6,1] => [5,3,4,2,1,6] => [1,1,1,1,1,0,0,0,0,0,1,0] => 6
{{1,2,4,5},{3,6}} => [2,4,6,5,1,3] => [5,3,1,2,6,4] => [1,1,1,1,1,0,0,0,0,1,0,0] => 5
{{1,2,4,5},{3},{6}} => [2,4,3,5,1,6] => [5,3,4,2,6,1] => [1,1,1,1,1,0,0,0,0,1,0,0] => 5
{{1,2,4,6},{3,5}} => [2,4,5,6,3,1] => [5,3,2,1,4,6] => [1,1,1,1,1,0,0,0,0,0,1,0] => 6
{{1,2,4},{3,5,6}} => [2,4,5,1,6,3] => [5,3,2,6,1,4] => [1,1,1,1,1,0,0,0,1,0,0,0] => 4
{{1,2,4},{3,5},{6}} => [2,4,5,1,3,6] => [5,3,2,6,4,1] => [1,1,1,1,1,0,0,0,1,0,0,0] => 4
{{1,2,4,6},{3},{5}} => [2,4,3,6,5,1] => [5,3,4,1,2,6] => [1,1,1,1,1,0,0,0,0,0,1,0] => 6
{{1,2,4},{3,6},{5}} => [2,4,6,1,5,3] => [5,3,1,6,2,4] => [1,1,1,1,1,0,0,0,1,0,0,0] => 4
{{1,2,4},{3},{5,6}} => [2,4,3,1,6,5] => [5,3,4,6,1,2] => [1,1,1,1,1,0,0,0,1,0,0,0] => 4
{{1,2,4},{3},{5},{6}} => [2,4,3,1,5,6] => [5,3,4,6,2,1] => [1,1,1,1,1,0,0,0,1,0,0,0] => 4
{{1,2,5,6},{3,4}} => [2,5,4,3,6,1] => [5,2,3,4,1,6] => [1,1,1,1,1,0,0,0,0,0,1,0] => 6
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Description
The number of indecomposable summands of the tensor product of two copies of the dual of the Nakayama algebra associated to a Dyck path.
Let $A$ be the Nakayama algebra associated to a Dyck path as given in DyckPaths/NakayamaAlgebras. This statistics is the number of indecomposable summands of $D(A) \otimes D(A)$, where $D(A)$ is the natural dual of $A$.
Let $A$ be the Nakayama algebra associated to a Dyck path as given in DyckPaths/NakayamaAlgebras. This statistics is the number of indecomposable summands of $D(A) \otimes D(A)$, where $D(A)$ is the natural dual of $A$.
Map
complement
Description
Sents a permutation to its complement.
The complement of a permutation $\sigma$ of length $n$ is the permutation $\tau$ with $\tau(i) = n+1-\sigma(i)$
The complement of a permutation $\sigma$ of length $n$ is the permutation $\tau$ with $\tau(i) = n+1-\sigma(i)$
Map
to permutation
Description
Sends the set partition to the permutation obtained by considering the blocks as increasing cycles.
Map
left-to-right-maxima to Dyck path
Description
The left-to-right maxima of a permutation as a Dyck path.
Let $(c_1, \dots, c_k)$ be the rise composition Mp00102rise composition of the path. Then the corresponding left-to-right maxima are $c_1, c_1+c_2, \dots, c_1+\dots+c_k$.
Restricted to 321-avoiding permutations, this is the inverse of Mp00119to 321-avoiding permutation (Krattenthaler), restricted to 312-avoiding permutations, this is the inverse of Mp00031to 312-avoiding permutation.
Let $(c_1, \dots, c_k)$ be the rise composition Mp00102rise composition of the path. Then the corresponding left-to-right maxima are $c_1, c_1+c_2, \dots, c_1+\dots+c_k$.
Restricted to 321-avoiding permutations, this is the inverse of Mp00119to 321-avoiding permutation (Krattenthaler), restricted to 312-avoiding permutations, this is the inverse of Mp00031to 312-avoiding permutation.
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