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math.CO2024
Pattern Avoiding Permutations Enumerated by Inversions
Atli Fannar Franklín
Permutations are usually enumerated by size, but new results can be found by enumerating them by inversions instead, in which case one must restrict one's attention to indecomposab…
cs.DM2024
Restricted Permutations Enumerated by Inversions
Atli Fannar Franklín, Anders Claesson, Christian Bean +2
Permutations are usually enumerated by size, but new results can be found by enumerating them by inversions instead, in which case one must restrict one's attention to indecomposab…