Papers

*: corresponding author 

• Statistical inferences for non-Euclidean data

· Jongmin Lee and Sungkyu Jung (2026). Huber means on Riemannian manifolds. Journal of the Royal Statistical Society, Series B (Statistical Methodology), 88, 444- 463. (arXiv) (Link)(News)(Significance)

· Soyoung Park and Jongmin Lee* (2025). A robust location estimator for circular data and its uniqueness condition (in Korean), Journal of the Korean Data & Information Science Society, 36, 677-684. (Link)

· Jongmin Lee and Sungkyu Jung (2026). General M-estimators of location on Riemannian manifolds: existence and uniqueness. Statistics & Probability Letter, 223, 110670. (arXiv)(Link) 

· Jongmin Lee and Sungkyu Jung (2026). On the Kolmogorov-Feller weak law of large numbers for the Fréchet mean on non-compact symmetric spaces. Statistics & Probability Letter, 238, 110875. (arXiv)(Link) 

· Jihyun Ryu, Jongmin Lee and Sungkyu Jung (2026). M-estimation on Riemannian Manifolds: Efficiency, Calibration and Computation. Submitted to Journal of Statistical Computation and Simulation .

· Jongmin Lee, Paromita Dubey and Sungkyu Jung (2026). Robust Intrinsic Scale Estimation on Metric Spaces. In preparation.

· Kisung You and Jongmin Lee (2026). Huberized Wasserstein barycenter. In preparation.

•  Nonparametric dimension reduction methods

· Jongmin Lee, Jang-Hyun Kim and Hee-Seok Oh (2021). Spherical principal curves. IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 43, 2165–2171. (arXiv) (Link) 

· Jongmin Lee, Jang-Hyun Kim and Hee-Seok Oh (2022). spherepc: An R package for dimension reductions on a sphere. The R Journal, 14, 167–181. (Link)

· Jongmin Lee and Hee-Seok Oh (2023). Robust spherical principal curves. Pattern Recognition, 138, 109380. (Link)  

· Jongcheol Lee and Jongmin Lee* (2026). A bottom-up principal curve clustering. Under revision with Communications in Statistics - Simulation and Computation.

• Robust statistical methods

· Jongmin Lee, Joonpyo Kim, Joonho Shin, Sungil Cho, Sungmin Kim, and Kyoungjae Lee (2023). Analysis of wildfires and their extremes via spatial quantile autoregressive model.  Extremes, 26, 353-379. (Link)

· Soyoung Park and Jongmin Lee* (2025). Influence function of the Huber mean and its application (in Korean). Journal of the Korean Data & Information Science Society, 36, 1005-1016. (Link)  

· Donghyeok Kim and Jongmin Lee* (2026). Comparative study on denoising methods for time series (in Korean). Journal of the Korean Data & Information Science Society. In press.

Collaborators: Hee-Seok Oh(4), Sungkyu Jung(4), Paromita Dubey(1), Kisung You(1), Kyoungjae Lee(1), Joonpyo Kim(1), Jang-Hyun Kim(2), Soyoung Park(2), Junho Shin(1), Sungjin Cho(1), Sungmin Kim(1), Jongcheol Lee(1), Jihyun Ryu(1), Donghyeok Kim(1)

Ph.D. Thesis