**Talks**- Dec. 6, 2013, PARC Annual Research Performance Report, Seoul National University, Korea :
*"Practical synchronization of Kuramoto system with an intrinsic dynamics"* - Jan. 23, 2014, East Asian Core Doctorial Forum on Mathematics, Kyoto University, Japan :
*"Practical synchronization of Kuramoto system with an intrinsic dynamics"* - Oct. 28, 2014, Young Researchers Workshop: Multiscale phenomena: modeling, analysis and computation, CSCAMM, University of Maryland, USA:
*"Practical synchronization of Kuramoto system with an intrinsic dynamics"* - Jan. 27, 2015, Department of Information Engineering, Computer Science and Mathematics, University of L'Aquila, Italy :
*"Practical synchronization of Kuramoto system with an intrinsic dynamics"* - Feb. 25. 2015, PARC Monthly Colloquium, Seoul National University, Korea:
*"Emergence of phase-locked states for the Winfree model in a large coupling regime"* - Oct. 22. 2015, Séminaire Analyse à Lyon, École Normale supérieure de Lyon, France:
*"Emergent dynamics of Winfree oscillators on locally coupled networks"* - Dec. 11. 2015, Departamento de Matemática Aplicada, Universidad de Granada, Spain:
*Emergent dynamics of Winfree oscillators on locally coupled networks"* - Jan. 08. 2016, PARC Annual Research Performance Report, Seoul National University, Korea :
*"Emergent dynamics of Winfree oscillators on locally coupled networks"* - Apr. 27. 2016, Department of Mathematics and Computer Science, University of Ferrara, Italy:
*"Synchronization of Kuramoto oscillators with adaptive couplings"* - May. 21, 2016, KSIAM 2016 Spring Conference, National Institute for Mathematical Sciences, Korea:
*"Synchronization of Kuramoto oscillators with adaptive couplings"* - Aug. 4. 2016, XVI International Conference on Hyperbolic Problems: Theory, Numerics, Applications, RWTH Aachen University, Germany:
*"Emergence of synchronization for the Kuramoto-Sakaguchi equation"* - Dec. 1. 2016, Departamento de Matemática Aplicada, Universidad de Granada, Spain:
*"Emergence of synchronization in the Kuramoto model"* - Dec. 12. 2016, CMC Winter School on Applied Math and Math. Physics, KIAS and Seoul National University, Korea:
*"Emergence of synchronization for the Kuramoto-Sakaguchi equation"* - Dec. 28. 2016, Department of Mathematics, Sungkyunkwan University, Korea:
*"Emergence of synchronization for the Kuramoto-Sakaguchi equation"* - Jun. 26. 2017, XXV Conference on Differential Equations and Applications / XV Conference on Applied Mathematics, Technical University of Cartagena(UPCT), Spain:
*"Uniform stability and mean-field limit for the augmented Kuramoto model"* - Aug. 16. 2017, Department of Mathematics, Sungkyunkwan University, Korea:
*"Multi-cluster flocking of the Cucker-Smale model in one spatial dimension"* - Aug. 17. 2017, Department of Mathematics, Inha University, Korea:
*"Uniform stability and mean-field limit for the augmented Kuramoto model"* - Aug. 22. 2017, CMC Conference: Nonlinear dynamics of many-body systems and related topics, KIAS and Seoul National University, Korea:
*"Hebbian learning in the Kuramoto model with regular and singular weighted couplings"* - Nov. 16, 2017, Department of Information Engineering, Computer Science and Mathematics, University of L'Aquila, Italy :
*"Complete cluster predictability of the Cucker-Smale flocking model on the real line"* - Dec. 28. 2017, One day workshop on Mathematical Modelling of Swarming, Department of Mathemaitcs, Inha University, Korea: "Hebbian learning in the Kuramoto model with regular and singular weighted couplings''
- June, 21. 2018, Korea PDE Workshop 2018, National Institute for Mathematical Sciences, Korea:
*"Complete cluster predictability of the Cucker-Smale flocking model on the real line">/em>* - June, 28. 2018, XVII International Conference on Hyperbolic Problems: Theory, Numerics, Applications, Penn State University, USA:
*"Hebbian learning and clustering in Kuramoto models with singular weighted couplings"*

- Dec. 6, 2013, PARC Annual Research Performance Report, Seoul National University, Korea :

**Posters**- Jun. 8 - 12, 2015, Summer school on Geometric methods for PDEs and dynamical systems, ANR Weak KAM beyond Hamilton-Jacobi, Porquerolles, France:
*"Emergence of phase-locked states for the Winfree model in a large coupling regime"* - Jul. 6 - 10, 2015, Equadiff 2015, Université Claude Bernard Lyon 1, Lyon, France:
*"Emergence of phase-locked states for the Winfree model in a large coupling regime"*

- Jun. 8 - 12, 2015, Summer school on Geometric methods for PDEs and dynamical systems, ANR Weak KAM beyond Hamilton-Jacobi, Porquerolles, France:

**Attended Conferences & Workshops**- NIMS-KU Financial Mathematics Summer School 2012, Korea University, Korea, August 14 - 17, 2012.
- NIMS-PARC Joint Workshop (Dynamical Systems in Network and its Application to Data Analysis), Korea, February 20 - 22, 2013.
- The Asian Mathematical Conference 2013, Busan, Korea, June 30 - July 3, 2013.
- IMA PI Summer Program (Flow, Geometric Motion, Deformation, and Mass Transport in Physiological Processes), IMA, University of Minnesota, MN, USA, July 15 - August 2, 2013.
- International Conference on Nonlinear Analysis : Fluid Dynamics and Kinetic Theory, Academia Sinica, Taipei, Taiwan, October 21 - 25, 2013.
- East Asian Core Doctorial Forum on Mathematics, Kyoto University, Japan, January 21 - 24, 2014.
- From Mechanics to Geometry, Seoul National University, Korea, May 26 - 29, 2014.
- Mathematical Theory of Gases and Fluids and Related Applications, Satellite Conference of ICM 2014, Chung-Ang University, Korea, August 10 - 12, 2014.
- International Congress of Mathematicians 2014, Coex, Korea, August 13 - 21, 2014.
- Young Researchers Workshop: Multiscale phenomena: modeling, analysis and computation, CSCAMM, University of Maryland, USA, October 27-31, 2014.
- Korea PDE Winter school, NIMS, Korea, February 9-13, 2015.
- Third Bielefeld-Seoul National University Joint Workshop in Mathematics, Seoul National University, Korea, February 26 - 27, 2015.
- Collective dynamics in gradient flows and entropy driven structures, Gran Sasso Science Institute, L'Aquila, Italy, June 1 - 5, 2015
- Summer school on Geometric methods for PDEs and dynamical systems, ANR Weak KAM beyond Hamilton-Jacobi, Porquerolles, France, June 8 - 12, 2015.
- Equadiff 2015, Universit'e Claude Bernard Lyon 1, Lyon, France, July 6 - 10, 2015.
- Workshop Analysis in Lyon, Ecole Normale Superieure de Lyon, Lyon, France, October 26 - 30, 2015.
- KSIAM 2016 Spring Conference, NIMS, Daejeon, Korea, May 20-21, 2016.
- Preparation minischool for CMC conference: "Analysis, Geometry, and Optimal Transport”, KIAS, Seoul, Korea, June 16-17, 2016.
- XVI International Conference on Hyperbolic Problems: Theory, Numerics, Applications, RWTH Aachen University, Aachen, Germany, August 1 - 5, 2016.
- CMC Intensive Letures: On partial regularity results for the 3D incompressible Navier-Stokes equations, KIAS, Seoul, Korea, October 12 - 14, 2016.
- CMC Winter School on Applied Math and Math. Physics, KIAS and Seoul National University, Seoul, Korea, December 11 - 24, 2016.
- Workshop on PDEs: Modelling, Analysis and Numerical Simulation, IEMATH-GR, Granada, Spain, June 19 - 23, 2017.
- XXV Conference on Differential Equations and Applications / XV Conference on Applied Mathematics, Technical University of Cartagena(UPCT), Cartagena, Spain, June 26 - 30, 2017.
- CMC Conference: Nonlinear dynamics of many-body systems and related topics, KIAS and Seoul National University, Seoul, Korea, August 21 - 24, 2017.
- One day workshop on Mathematical Modelling of Swarming, Inha University, Incheon, Korea, December 28, 2017.
- Korea PDE Workshop 2018, NIMS, Daejeon, Korea, June 21 - 23, 2018.
- XVII International Conference on Hyperbolic Problems: Theory, Numerics, Applications, Penn State University, pennsylvania, USA, June 25 - 29, 2018.