works on
fibonacci enumeration 1lehmer codes 1permutation patterns 1poset structure 1reverse-complement bijection 1

From the 1 of 1 linked paper with an AI index.

collaborators

1 paper

math.CO2026

Lehmer Codes and the Reverse-Complement Mapping from (32-1)-Avoiding Permutations to (3-21)-Avoiding Permutations

Andrew Beveridge, Yufan Hu, Yucheng Liu

The paper uses Lehmer codes to model permutations avoiding the vincular patterns 32‑1 and 3‑21 as weighted posets, shows that the maximal elements of these posets are counted by Fi…