• Thresholds for shock formation in traffic flow models with Arrhenius look-ahead dynamics(with Hailiang Liu), Discrete and Continuous Dynamical Systems-Series A, 35(1) (2015), 323--339 (link)

• Threshold for shock formation in the hyperbolic Keller-Segel model(with Hailiang Liu), Applied Mathematics Letters, 50 (2015), 56--63 (link)

• Local blow up conditions for 2d weakly restricted Euler-Poisson equations, submitted.

For a collection of selected references on Critical Thresholds in the regularity of Eulerian dynamics,
look for the link at Prof. Eitan Tadmor's website(My two papers are listed in the collection).

Conference Presentations
• (Invited) "A class of non-local conservation laws: sub-thresholds for finite time shock formation", AMS meeting, University of Nevada, April 18, 2015
• "A class of nonlocal conservation laws: sub-thresholds for finite time shock formation and well-posedness of the global entropy solution", Entropy and Singular Solutions for Conservation Laws, West Virginia University, Sep 26-28, 2014
• "Threshold dynamics in hyperbolic partial differential equations", PDE and Applied Math Seminar, University of California, Riverside Oct 8, 2014
• "A class of nonlocal conservation laws: sub-thresholds for finite time shock formation and well-posedness of the global entropy solution", KI-net Summer School, Iowa State University, May 4--7, 2014
• "Thresholds in restricted Euler-Poisson equations and traffic flow models", KI-net Young researchers workshop, University of Maryland, October 14--18, 2013
• "A class of nonlocal conservation laws: local wellposedness and sub-thresholds for finite time shock formation", US-KOREA Conference 2013, Symposium C, New York, August 8, 2013
• (Invited) "A class of nonlocal conservation laws: local wellposedness and sub-thresholds for finite time shock formation", AMS meeting, Iowa State University, April 28, 2013
• (Invited) "Thresholds in three-dimensional restricted Euler-Poisson equations", AMS meeting, University of Kansas-Lawrence, March 30, 2012
• "Thresholds in three-dimensional restricted Euler-Poisson equations", Computational and Applied Mathematics seminar, Iowa State University, December 5, 2011

Teaching
• Winter 2015 : Math 8B(Calculus I), Math 10B(Calculus: Several Variables) , UC Riverside
• Fall 2014 : Math 9B(Calculus II), 9C(Calculus III) , UC Riverside
• Spring 2014 : Math 165(Calculus I), Iowa State University
• Fall 2013 : Math 265(Calculus III), Iowa State University
• Summer 2013 : Math 492 Applied math qualifier study group, Iowa State University

Teaching expericences in Korea
• 2006~2009 : Assistant Professor, Department of Mathematics, Korea Naval Academy,