Reverse plane partitions of skew staircase shapes and q-Euler numbers. - Byung-Hak Hwang; Jang Soo Kim; Meesue Yoo; Sun-mi Yun (J. Comb. Theory A, 2019)

On Linearization Coefficients of q-Laguerre Polynomials. - Byung-Hak Hwang; Jang Soo Kim; Jaeseong Oh; Sang-Hoon Yu (Electron. J. Comb., 2020)

Acyclic orientation polynomials and the sink theorem for chromatic symmetric functions. - Byung-Hak Hwang; Woo-Seok Jung; Kang-Ju Lee; Jaeseong Oh; Sang-Hoon Yu (J. Comb. Theory B, 2021)

Noncommutative symmetric functions and skewing operators. - Byung-Hak Hwang (Discret. Math., 2025)

Refined canonical stable Grothendieck polynomials and their duals, Part 2. - Byung-Hak Hwang; Jihyeug Jang; Jang Soo Kim; Minho Song; U.-Keun Song (Eur. J. Comb., 2025)