2 papers
math.CO2020
On linearization coefficients of -Laguerre polynomials
Byung-Hak Hwang, Jang Soo Kim, Jaeseong Oh +1
The linearization coefficient of classical Laguerre polynomials is known to be equal to the number of -derangeme…
math.CO2019
Acyclic orientation polynomials and the sink theorem for chromatic symmetric functions
Byung-Hak Hwang, Woo-Seok Jung, Kang-Ju Lee +2
We define the acyclic orientation polynomial of a graph to be the generating function for the sinks of its acyclic orientations. Stanley proved that the number of acyclic orientati…