- (Scheduled) Session talk at "The 12th AIMS Conference on Dynamical Systems, Differential Equations and Applications", July 5 - 9, 2018, Taipei, Taiwan.
- (Scheduled) Invited talk at "The 17th International Conference on Hyperbolic Problems: Theory, Numerics, Applications", June 25 - 29, 2018, Penn State University, Pennsylvania, USA.
- (Scheduled) "Workshop on Nonlinear Partial Differential Equations and Related Topics", Feb. 26 - Mar. 2, 2018, Tsinghua Sanya International Mathematics Forum, Sanya, China.
- (Scheduled) Seminar talk at Department of Mathematics, Imperial College London, Feb. 2, 2018, London, UK.
- "2017 Dasan Conference on Mathematical Challenges and Industrial Problem Solving", Dec. 1 - 2, 2017, Novotel Ambassador, Busan, Korea.
- Seminar talk at Department of Chemical Engineering, Chungnam National University, Nov. 30, 2017, Daejeon, Korea.
- Colloquium talk at Department of Mathematics, Soongsil University, Nov. 2, 2017, Seoul, Korea.
- "2017 KMS(Korean Mathematical Society) Fall Meeting", Oct. 27 - 29, 2017, Dankook University, Cheonan, Korea.
- Invited talk at "Mini workshop on PDEs", Sep. 22 - 23, 2017, Inha University, Incheon, Korea.
- Invited talk at "Nonlinear dynamics of many-body systems and related topics", Aug. 21 - 24, 2017, Seoul National University, Seoul, Korea.
- Seminar talk(2-hour) at Department of Mathematics, Harbin Institute of Technology, Aug. 9, 2017, Harbin, China.
- Invited talk at "The 2nd Meeting of Young Researchers in PDEs", July 13 - 15, 2017, Ulsan National Institute of Science and Technology, Ulsan, Korea.
- (Cancelled) Invited talk at "Workshop on PDEs: modelling, analysis, and numerical simulations", June 19 - 23, 2017, Granada, Spain.
- Invited talk at "Tianfu Conference in PDEs and their applications", June 16 - 18, 2017, Chengdu, Sichuan, China.
- Seminar talk at Department of Mathematics, Korea Advanced Institute of Science and Technology(KAIST), June 8, 2017, Daejeon, Korea.
- (Cancelled) Invited talk at "Emerging PDE models in Socio-Economic Sciences", May 15 - 19, 2017, University of Warwick, Coventry, UK.
- (Cancelled) Invited talk at "PDE/Probability Interactions: Kinetic Equations, Long time and Propagation of Chaos", April 18 - 22, 2017, Centre International de Rencontres Mathématiques(CIRM), Marseille, France.
- Special lecture at Department of Mathematics, University of Seoul, Mar. 24, 2017, Seoul, Korea.
- Colloquium talk at Department of Mathematics, Ulsan National Institute of Science and Technology, Mar. 16, 2017, Ulsan, Korea.
- Colloquium talk at Department of Mathematics, Inha University, Mar. 15, 2017, Seoul, Korea.
- Invited talk at "Mathflows2017", Jan. 15 - 20, 2017, IMPAN Conference Center, Będlewo, Poland.
- Seminar talk at Department of Mathematics, Sungkyunkwan University, Dec. 28, 2016, Suwon, Korea.
- Invited talk at "CMC Winter School on Applied Math. and Math. Physics", Dec. 11 - 24, 2016, Department of Mathematics, Seoul National University, Seoul, Korea.
- Seminar talk at Fakultät für Mathematik, Technische Universität München, Nov. 22, 2016, München, Germany.
- Seminar talk at Institut Mittag-Leffler, Sept. 8, 2016, Djursholm, Sweden.
- Invited talk at "Second French-Korean Conference in Mathematics", July 4 - 12, 2016, Institut de Mathématiques IMB, Bordeaux, France.
- (Cancelled) Invited talk at the kinetic session in "X Forum of partial differential equations", June 19 - 24, 2016, IMPAN Conference Center, Będlewo, Poland.
- Invited talk at "Mathematical Topics in Kinetic Theory", May 9 - 13, 2016, University of Cambridge, Cambridge, UK.
- Seminar talk at Centre de Mathématiques et Informatique, Université de Provence, Technopôle Château-Gombert, May 3, 2016, Marseille, France.
- Seminar talk at Department of Mathematics, Chung-Ang University, Apr. 4, 2016, Seoul, Korea.
- Colloquium talk at Department of Mathematics, Inha University, Mar. 24, 2016, Seoul, Korea.
- Invited talks at two minisymposiums "Nonlocal Interaction Models: Dynamics, Asymptotics and Applications" and "Around Euler Equations" in the SIAM Conference on analysis of particle differential equations, Dec. 7 - 10, 2015, Arizona, USA.
- Seminar talk at School at Mathematics, Georgia Institute of Technology, Dec. 1, 2015, Atlanta, USA.
- "Mathematics and Social Sciences Workshop", Nov. 16 - 17, 2015, Imperial College London, London, UK.
- Invited talk at the minisymposium "Nonlocal aggregation-diffusion equations" in "The 8th International Congress on Industrial and Applied Mathematics", Aug. 10 - 14, 2015, Beijing, China.
- Seminar talk at Department of Mathematics, Harbin Institute of Technology, Aug. 7, 2015, Harbin, China.
- Invited talk at "Collective dynamics in gradient flows and Entropy driven structures", June 1 - 5, 2015, Gran Sasso Science Institute, L'Aquila, Italy.
- Invited talk at "Mathematical problems in kinetic theory", May 26 - 29, 2015, Centre Henri Lebesgue, Centre de Mathématiques, Rennes, France.
- Invited talk at "Multiscale phenomena: modeling, analysis and computation", Oct. 27 - 31, 2014, Center for Scientific Computation And Mathematical Modeling(CSCAMM) at the University of Maryland, USA.
- MultIScale kinetic and fluid problems: asymptotic analysis, modelling and numerical simulation, Sept. 29 - Oct. 3, 2014, Institut d'Etudes scientifiques de Cargése, Corsica, France.
- Invited talk at "PDEs: modelling, analysis, and numerical simulations", Sept. 15 - 18, 2014, Granada, Spain.
- Contributed talk at the short communication "Partial Differential Equations" in "International Congress of Mathematicians", Aug. 13 - 21, 2014, Coex, Seoul, Korea.
- Satellite Conference of ICM 2014 on "Mathematical Theory of Gases and Fluids and Related Applications", Aug. 10 - 12, 2014, Chung-Ang University, Seoul, Korea.
- Invited talk at the special session "Kinetic Models - Analysis, Computation, and Applications" in "The 10th AIMS Conference on Dynamical Systems, Differential Equations and Applications", July 07 - 11, 2014, Instituto de Ciencias Matemáticas and Universidad Autónoma de Madrid, Madrid, Spain.
- The Paris-London Analysis Seminar, June 20, 2014, Institut Henri Poincaré, Paris, France.
- Invited talk at "Workshop on nonlinear PDEs", May 30 - 31, 2014, Ulsan National Institute of Science and Technology, Ulsan, Korea.
- Invited talk at "From Mechanics to Geometry", May 26 - 29, 2014, Seoul National University, Seoul, Korea.
- Contributed talk at "Collective Behavior: Macroscopic versus Kinetic Descriptions", May 19 - 23, 2014, Imperial College, London, UK.
- Invited talk at Spring School on "Microscopic descriptions and mean-field equations in physics and social sciences", May 12 - 16, 2014, Department of Mathematical Sciences, University of Bath, United Kingdom.
- Seminar talk at Department of Pure Mathematics and Mathematical Statistics, University of Cambridge, Apr. 28, 2014, Cambridge, UK.
- The 5th workshop on PDEs of Mathematical Physics, Dec. 20 - 21, 2013, Department of Mathematics, Hallym University, Kangwon-do, Korea.
- Seminar talk at Deparment of Mathematics, Imperial College, November 20, 2013, London, UK.
- Seminar talk at Department of Mathematics, Chung-Ang University, Oct. 10, 2013, Seoul, Korea.
- Colloquium talk at School of Technology Management and School of Natural Sciences, Ulsan National Institute of Science and Technology, Oct. 8, 2013, Ulsan, Korea.
- Seminar talk at Department of Mathematical Sciences, Seoul National University, Oct. 4, 2013, Seoul, Korea.
- Seminar talk at "XXXVIII Summer School on Mathematical Physics", Sept. 16 - 28, 2013, Istituto Nazionale Di Alta Matematica, Ravello, Italy.
- Invited talk at "Mathematical topics in Kinetic Theory", June 17 - 21, 2013, University of Cambridge, Cambridge, UK.
- Seminar talk at Institut de Mathematiques de Toulouse, Apr. 30, 2013, Toulouse, France.
- Seminar talk at Department of Mathematics, Chinese University of Hong Kong, Oct. 25, 2012, Shatin, Hong Kong.
- Seminar talk at Department of Mathematics, Chinese University of Hong Kong, Oct. 18, 2012, Shatin, Hong Kong.
- Invited talk at the special session "Recent Research of Mathematical Problems Related with Mechanics and Engineering" in "2012 KMS(Korean Mathematical Society) Fall Meeting", Oct. 5 - 6, 2012, Daejun Convention Center, Daejun, Korea.
- Contributed talk at "Hyperbolic Problems: Theory, Numerics, Applications", June 25 - June 29, 2012, University of Padova, Italy.
- Seminar talk at Max Planck Institute for Mathematics in the Sciences, Feb. 16, 2012, Leipzig, Germany.
- Summer Graduate Workshop on "Geometric Measure Theory and Applications" at Mathematical Science Research Institute, July 11 - July 22, 2011, Berkeley, California, USA.
- Stanford Summer Workshop on "Kinetic theory, and 5th Pacific Rim Conference on Mathematics", June 21 - July 2, 2010, Stanford University, California, USA.
- Invited talk at "Consensus, Flocking and Synchronization of interacting systems", Feb. 17 - 24, 2010, Seoul National University, Seoul, Korea.

- Co-organizer (with Seung-Yeal Ha, Zhuchun Li, and Xiapoing Xue) of "Analysis, optimization, and control of multi-agent systems", Aug. 6 - 10, 2018, Harbin Institute of Technology and Jingpo Lake, Harbin, China.
- Co-organizer (with Hung-Wen Kuo, Kazuo Aoki, and Seok-Bae Yun) of the special session on "Kinetic and related equations: collisions, mean field, and organized motion" in the 12th AIMS Conference on Dynamical Systems, Differential Equations and Applications, July 5 - 9, 2018, Taipei, Taiwan.
- Organizer of "One day workshop on Mathematical Modelling of Swarming", Dec. 28, 2017, Inha University, Incheon, Korea.
- Organizer of the special session on "Kinetic theory and fluid dynamics" in the 2017 KMS(Korean Mathematical Society) Fall Meeting, Oct. 27 - 29, 2017, Dankook University, Cheonan, Korea.
- Co-organizer (with Jinmyoung Seok and Seok-Bae Yun) of "Mini workshop on PDEs", Sep. 22 - 23, 2017, Inha University, Incheon, Korea.
- Co-organizer (with Hyeonbae Kang, Do Wan Kim, and Hyundae Lee) of "Mathematical Analysis and Applications Seminar", Department of Mathematics, Inha University, Spring 2017 - present.
- Local co-organizer (with José A. Carrillo, Pierre Degond, Yanghong Huang, and Stephan Martin) of KI-Net conference on "Collective Behavior: Macroscopic versus Kinetic Descriptions", May 19 - 23, 2014, Imperial College London, London, UK.
- Chairperson of PDEs session at the International Congress of Mathematicians, Aug. 13 - 21, 2014, Coex, Seoul, Korea.

- (Scheduled) Imperial College London, UK, Jan. 28 - Feb. 4, 2018.
- (Scheduled) Technical University of Munich, Germany, Jan. 8 - 12, 2018.
- Imperial College London, UK, Dec. 13 - 19, 2017.
- Harbin Institute of Technology, China, Aug. 6 - 11, 2017.
- University of Ferrara, Italy, July 2 - July 7, 2017.
- Université de Provence, Technopôle Château-Gombert, France, June 26 - July 1, 2017.
- Imperial College London, UK, Feb. 5 - 7, 2017.
- Institut Mittag-Leffler, Sweden, Sept. 1 - 17, 2016.
- Imperial College London, UK, May 4 - 8, 2016.
- Université de Provence, Technopôle Château-Gombert, France, Apr. 29 - May 3, 2016.
- Seoul National University, Korea, Mar. 22 - Apr. 7, 2016.
- Georgia Institute of Technology, USA, Nov. 30 - Dec. 4, 2015.
- Université Paris Diderot-Paris 7, France, Nov. 23 - 26, 2015.
- Harbin Institute of Technology, China, Aug. 4 - 8, 2015.
- University of Warsaw, Poland, May 17 - 22, 2015.
- Université de Provence, Technopôle Château-Gombert, France, Apr. 27 - May 1, 2015.
- Université Pierre et Marie Curie, Paris 6, Laboratoire Jacques-Louis Lions, France, Apr. 13 - 17, 2015.
- Technical University of Munich, Germany, Apr. 10, 2015.
- Center for Scientific Computation And Mathematical Modeling (CSCAMM) at the University of Maryland, USA, Nov. 1 - 6, 2014.
- Université de Provence, Technopôle Château-Gombert, France, Sept. 1 - 5, 2014.
- École Normale Supérieure de Cachan, France, Jun. 16 - 19, 2014.
- University of Cambridge, United Kingdom, Apr. 28 - May 1, 2014.
- École Normale Supérieure de Cachan, France, Mar. 31 - Apr. 11, 2014.
- Ulsan National Institute of Science and Technology, Korea, Dec. 16 - 19, 2013.
- Seoul National University, Korea, Sept. 30 - Oct. 13, 2013.
- Institut de Mathematiques de Toulouse, France, Apr. 28 - May 4, 2013.
- Universitat Autónoma de Barcelona, Spain, Apr. 21 - 28, 2013.
- Seoul National University, Korea, Mar. 23 - Apr. 2, 2013.
- Université de Provence, Technopôle Château-Gombert, France, Mar. 17 - 20, 2013.
- The Chinese University of Hong Kong, China, Oct. 15 - 27, 2012.
- Ulsan National Institute of Science and Technology, Korea, Sept. 17 - 19, 2012.
- Max-Planck-Institute for Mathematics in the Sciences, Germany, Jan. 9 - May 3, 2012.

Go back to the main page