Combinatorics

Combinatorial commutative algebra

Discrete geometry

Fuss-Narayana statistics, Journal of the Chungcheong Mathematical Society, 35 (2022), no. 4, 335-343

Enumeration of Fuss-Catalan paths by type and blocks (with Suhyung An and JiYoon Jung), Honam Mathematical Journal, 43 (2021), no. 4, 641–653.

On toric ideals arising from signed graphs (with JiSun Huh and Boram Park), Journal of Algebraic Combinatorics, 53 (2021), 1265-1298.

Facial structures of lattice path matroid polytopes (with Suhyung An and JiYoon Jung), Discrete Mathematics, 343 (2020), no. 1, 111628.

Refined enumeration of vertices among all rooted ordered d-trees (with Seunghyun Seo and Heesung Shin), Bulletin of Korean Mathematical Society, 56 (2019), no. 4, pp, 899-910.

Different volume computational methods of graph polytopes (with Hyeong-Kwan Ju and Daeseok Lee), Bulletin of Korean Mathematical Society, 55 (2018), no. 5, pp. 1405-1417.

Perimeter centroids of quadrilaterals (with Wonyong Kim, Dong-Soo Kim and So Yeon Lim), Honam Mathematical Journal, 39 (2017), no. 3, 431–442.

Enumeration of Fuss-Schroder paths (with SuHyung An and JiYoon Jung), Electronic Journal of Combinatorics, 24 (2017), no. 2, Paper 2.30.

Facial structures of a generalized wedge of polytopes, Honam Mathematical Journal, 38 (2016), no. 2, 425–433.

Matroid base polytopes for series-parallel extensions. Honam Mathematical Journal, 38 (2016), no. 2, 393–401.

Chung-Feller property of Schroder objects (with Youngja Park), Electronic Journal of Combinatorics 23 (2016), no. 2, Paper 2.34.

Slice theorem for semialgebraically proper actions (with Dae Heui Park). Honam Mathematical Journal, 37 (2015), no. 4, 431–440.

On the volume of graph polytopes (with Hyeong-Kwan Ju and Soo-Jeong Seo). Honam Mathematical Journal, 37 (2015), no. 3, 361–376.

Large Schroder paths by types and symmetric functions (with Su Hyung An and Sen-Peng Eu), Bulletin of Korean Mathematical Society, 51 (2014), no. 4, pp. 1229-1240.

Topological properties of graphical arrangements (with Thi A. Nguyen). Honam Mathematical Journal, 36 (2014), no. 2, 435–454.

Graphical arrangements of compressed graphs(with Thi A. Nguyen). Honam Mathematical Journal, 36 (2014), no. 1, 85–102.

Flag enumeration of matroid base polytopes, Journal of Combinatorial Theory, Series A, 117 (2010), no. 7, 928-942.

Shellable complexes and topology of diagonal arrangements, Discrete & Computational Geometry 40 (2008), no. 2, 190-213.