2 papers
math.CO2026
A Refinement of the Fixed--Pixed Points Equidistribution on restricted Permutations
Yao Dong, Chao Xu
Motivated by a recent conjecture of Bsila, Cox, Hugo, Styron and Zhuang concerning fixed points and pixed points on pattern-avoiding permutations, we prove a bivariate refinement i…
math.CO2025
Web permutations, Seidel triangle and normalized -coefficients
Yao Dong, Zhicong Lin, Qiongqiong Pan
The web permutations were introduced by Hwang, Jang and Oh to interpret the entries of the transition matrix between the Specht and -web bases of the irreducible $§…