Tel: +82-33-250-6721

E-mail: shyunseo (AT) kangwon.ac.kr

**Teaching: 2021 Spring**

Topology 1

Topics in topology

Combinatorics and Graph Theory

**Research Area**

Algebraic Combinatorics

**Education **

2004, Ph. D. Dept. of Mathematics, KAIST (advisor: Dongsu Kim)

1998, M. S. Dept. of Mathematics, KAIST

1996, B. S. Dept. of Mathematics Education, Seoul National University

**Visiting Position**

2004-2005, Visiting Scholar, Department of Mathematics, Brandeis University (mentor: Ira Gessel)

2016-2017, Visiting Scholar, Department of Mathematics, The Pennsylvania State University (mentor: Ae Ja Yee)

**Employment**

2008-2017, Assistant/Associate Professor, Department of Mathematics Education, Kangwon National University

2007-2008, Lecturer, Department of Mathematics Education, Cheongju University

2005-2007, Instructor, Faculty of Liberal Education, Seoul National University

**Publications**

Index of seaweed algebras and integer partitions (with Ae Ja Yee),

*Electronic Journal of Combinatorics*27(1) (2020), P1.47.Linear extensions of diamond posets (with Hyeong-Kwan Ju),

*Honam Mathematical Journal*41(2019), 863-870.Singular overpartitions and partitions with prescribed hook differences (with Ae Ja Yee),

*Annals of Combinatorics*23(2019), 1039-1072.Refined enumeration of vertices among all rooted ordered d-trees (with Sangwook Kim and Heesung Shin),

*Bulletin of Korean Mathematical Society*56(4) (2019), 899-910.Enumeration of partitions with prescribed successive rank parity blocks (with Ae Ja Yee),

*Journal of Combinatorial Theory, series A*158(2018), 12-35.Overpartitions and singular overpartitions (with Ae Ja Yee),

*In: Andrews G., Garvan F. (eds) Analytic Number Theory, Modular Forms and q-Hypergeometric Series. ALLADI60 2016. Springer Proceedings in Mathematics & Statistics*, vol 221. Springer, Cham, (2017), 693-711.Enumerations of vertices among all rooted ordered trees with levels and degrees (with Sen-Peng Eu and Heesung Shin),

*Discrete Mathematics*340(9) (2017), 2123-2129.Colored permutations with no monochromatic cycles (with Dongsu Kim and Jang Soo Kim),

*Journal of Korean Mathematical Society*54(4) (2017), 1149-1161.The Catalan threshold arrangement,

*Journal of Integer Sequences*20(1) (2017), Article 17.1.1.Combinatorial enumeration of the regions of some linear arrangements,

*Bulletin of Korean Mathematical Society*53(5) (2016), 1281-1289.Signed a-polynomials of graphs and Poincaré polynomials of real toric manifolds (with Heesung Shin),

*Bulletin of Korean Mathematical Society*52(2) (2015), 467-481.Annular noncrossing permutations and minimal transitive factorizations (with Jang Soo Kim and Heesung Shin),

*Journal of Combinatorial Theory, series A*124(2014), 251-262.Shi-threshold arrangements,

*Electronic Journal of Combinatorics*19(3) (2012), P39.Enumeration of 0/1-matrices avoiding some 2x2 matrices (with Hyeong-Kwan Ju),

*Discrete Mathematics*312(16) (2012), 2473-2481.A refinement for ordered labeled trees (with Heesung Shin),

*Korean Journal of Mathematics*20(2) (2012), 255-261.On the enumeration of rooted trees with fixed size of maximal decreasing trees (with Heesung Shin),

*Discrete Mathematics*312(2) (2012), 419-426.Combinatorial proofs of inverse relations and log-concavity for Bessel numbers (with Hyuk Han),

*European Journal of Combinatorics*29(2008), 1544-1554.A Generalized enumeration of labeled trees and reverse Prüfer algorithm (with Heesung Shin),

*Journal of Combinatorial Theory, series A*114 (2007), 1357-1361.An efficient top-down search algorithm for learning Boolean networks of gene expression (with Dougu Nam, Sangsoo Kim),

*Machine Learning*65(1) (2006), 229-245.A refinement of Cayley's formula for trees (with Ira Gessel),

*Electronic Journal of Combinatorics*11(2) (2006), R27.A combinatorial proof of Postnikov's identity and a generalized enumeration of labeled trees,

*Electronic Journal of Combinatorics*11(2) (2005), N3.Colored Prüfer codes for k-edge colored trees (with Manwon Cho et al),

*Electronic Journal of Combinatorics*11(1) (2004), N10.Transitive cycle factorizations and prime parking functions (with Dongsu Kim),

*Journal of Combinatorial Theory, series A*104 (2003), 125-135.