Kyeongjun Lee
Kyeongjun Lee
Postdoctoral researcher
Postdoctoral researcher
I completed my Ph.D. degree in Mathematics at Yonsei University under the supervisior Prof. Seo. My research interests lie in number theory, numerical semigroups, and cluster algebra.
Email: kjlee@unist.ac.kr
Address: Department of Mathematical Sciences, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
Numerical semigroups, Simultaneous core partition
Cluster algebra
Researcher in Mathematical Sciences, Ulsan National Institute of Science and Technology, Republic of Korea, Sep 2025 -
Researcher in Mathematics, Yonsei University, Republic of Korea, Sep 2024 - Aug 2025.
Ph.D in Mathematics and Computing(Mathematics), Yonsei University, Republic of Korea, Mar 2013 - Aug 2024.
B.S. in Mathematics, Yonsei University, Republic of Korea, Mar 2008 - Feb 2012.
[1] H. Cho, H.-H. Lee, K. Lee, H. Nam, and J. Sohn. Congruence relations for the number of t-core partitions. Ramanujan J., 71(3):Paper No. 33, 19, 2025.
[2] W. Kang, K. Lee, and E. Lim. Unimodality and cluster algebras from surfaces. European J. Combin., 136:Paper No. 104392, 28, 2026.
[3] H. Cho, K. Lee, S. H. Lee, and H. Nam. On irreducible elements of numerical semigroup algebras. J. Algebra, 700:213–224, 2026.
[4] H. Cho, H.-H. Lee, K. Lee, H. Nam, and J. Sohn. Corners of (t, tk ± 1)-core partitions. Discrete Math., 349(5):Paper No. 114915, 9, 2026.
[5] H. Cho, E. Kim, H.-H. Lee, K. Lee, A. J. Yee, and J. Yoo. GBG-rank generating functions for ordinary, self-conjugate, and doubled distinct partitions. Ramanujan J., 68(4):Paper No. 94, 21, 2025.
[6] H. Cho, K. Lee, and H. Nam. The largest size of (t, t + d, t + 2d)-core partitions. Electron. J. Combin., 32(2):Paper No. 2.52, 24, 2025.
[7] H. Cho, K. Lee, and H. Nam. Distribution of odd and even elements in gap sets of numerical semigroups. Comm. Algebra, 53(6):2510–2522, 2025.
[8] K. Lee and H. Nam. The genus of a quotient of several types of numerical semigroups. Int. J. Number Theory, 20(7):1809–1831, 2024.