Data-driven approach to complex system
  1. Zachary G. Nicolaou, Hangjun Cho, Yuanzhao Zhang, J. Nathan Kutz and Steven L. Brunton, Signature of glassy dynamics in dynamic modes decompositions, arXiv:2502.10918.
Mathematical analysis of collective behavior
  1. Hangjun Cho, Jiu-Gang Dong, Seung-Yeal Ha and Seung-Yeon Ryoo, Quantitative relaxation dynamics from generic initial configurations in the inertial Kuramoto model, arXiv:2503.00720.
  2. Hangjun Cho, Seung-Yeal Ha and Myeongju Kang, Emergent behaviors of a Kuramoto ensemble under fading memory, J. Nonlinear Sci. 35(9), (2025).  journal link
  3. Hangjun Cho, Chan Ho Min, Seung-Yeal Ha and Myeongju Kang, Uniform-in-time asymptotic limits of generalized Kuramoto models, arXiv:2502.11392.
  4. Hangjun Cho, Jiu-Gang Dong and Seung-Yeal Ha, Remark on the complete synchronization for the Kuramoto model with adaptive couplings, Commun. Math. Sci. 22(7), 2041--2057 (2024).  journal link
  5. Hangjun Cho, Seung-Yeal Ha, Dohyun Kim and Se Eun Noh, Local synchrony of Kuramoto oscillators on the cartesian product of two unit circles, Commun. Math. Sci. 22(8), 2089--2129 (2024).  journal link
  6. Hangjun Cho, Seung-Yeal Ha, Dohyun Kim and Se Eun Noh, On the asymptotic persistency of a bi-cluster flocking in a Cucker-Smale ensemble, Commun. Pur. Appl. Anal. 23(5), 645--673 (2024).  journal link
  7. Hangjun Cho, Seung-Yeal Ha and Dohyun Kim, Emergent behaviors of two attractively coupled swarm sphere models with frustration, Discrete Contin. Dyn. Syst.-Ser. B. 28(9) 4864--4897, (2023).  journal link
  8. Hangjun Cho, Jiu-Gang Dong and Seung-Yeal Ha, Interplay of inertia and adaptive couplings in the emergent dynamics of Kuramoto ensemble, J. Differ. Equ. 360, 523--571 (2023).  journal link
  9. Hangjun Cho, Jiu-Gang Dong and Seung-Yeal Ha, Cardinality of collisions in the asymptotic phase-locking for the Kuramoto model with inertia, SIAM J. Appl. Dyn. Syst. 22(2), 1472--1501 (2023).  journal link
  10. Hangjun Cho, Seung-Yeal Ha and Myeongju Kang, Continuum limit of Lohe model and its emergent dynamics, Math. Methods Appl. Sci. 46(8), 9783--9818 (2023).  journal link
  11. Hangjun Cho, Linglong Du and Seung-Yeal Ha, Emergence of a periodically rotating one-point cluster in a thermodynamic Cucker-Smale ensemble, Quart. Appl. Math. 80, 1--22 (2022).  arXiv  journal link
  12. Hangjun Cho, Jiu-Gang Dong and Seung-Yeal Ha, Emergent behaviors of a thermodynamic Cucker-Smale flock with a time-delay on a general digraph, Math. Methods Appl. Sci. 45, 164--196 (2022).  journal link