Papers
Proof of Gessel’s γ-positivity conjecture
- Research Fields산업수학센터
- AuthorZhicong Lin
- JournalThe Electronic Journal of Combinatorics 23(3) (2016
- Classification of papersSCI
- Keyworddescents; inverse descents; Eulerian polynomials; γ-positivity
We prove a conjecture of Gessel, which asserts that the joint distribution of descents and inverse descents on permutations has a fascinating refined γ-positivity.
We prove a conjecture of Gessel, which asserts that the joint distribution of descents and inverse descents on permutations has a fascinating refined γ-positivity.