Upcoming Activities
 We are organizing PSUPurdueUMD Joint Seminar on Mathematical Data Science.
May 2024:
 Invited speaker in ICERM program on Interacting Particle Systems: Analysis, Control, Learning and Computation, Providence, RI May 610, 2024.
April 2024:
 Invited speaker in Kantorvich Initiative’s conference on “Women in Optimal Transport”, University of British Columbia, Canada, April 1719, 2024.
March 2024:
 Invited speaker in Applied Mathematics Seminar, University of Utah, UT, Mar 11, 2024.
February 2024:
 Invited speaker in CNA Seminar, Carnegie Mellon University, PA, Feb 20, 2024.
January 2024:
 Invited speaker in DKU Soft Matter Symposium: Model, Simulation and Application of Complex Fluids (Online), Jan 2628, 2024.
December 2023:
 Invited speaker in workshop on Scientific computing and Large Data, University of South Carolina, SC, Dec 1622, 2023.
In the News
 The Physics of “InBetween” is Changing Our Understanding of Physical Transitions, Duke Research Blog, April 19 2021.
Past Events
 We are organizing “the Mathematical Data Science Seminar for 2022 Spring Semester” at Purdue University
Time: [10:30  11:30 AM ET] on Mondays; See titles and abstracts.
October 2023:

Invited in department Colloquia at Department of Mathematics, University of South Carolina, SC, October 26, 2023.

Invited speaker at the SIAMNYNJPA 2023 Annual Meeting MiniSymposium on Optimal Transport: Computation, Applications, and Extensions, New Jersey Institute of Technology in Newark, NJ, October 2122, 2023.

Invited talk in Applied Mathematics/PDE/DS Seminars at University of California, Santa Barbara, CA, October 13, 2023.
September 2023:
 Invited speaker at the Department of Applied and Computational Mathematics and Statistics (ACMS) Applied Math Seminar, University of Notre Dame, IN, September 28, 2023.
August 2023:

Organizer of the Special Session “Variational methods for multiscale dynamics” at 10th International Council for Industrial and Applied Mathematics (ICIAM) conference, Tokyo, Japan, August 2125, 2023.

Invited speaker in International Council for Industrial and Applied Mathematics (ICIAM) minisymposium “Frontiers of gradient flows: wellposedness, asymptotics, singular limits”, Tokyo, Japan, August 2025, 2023.

Invited lecturers and invited speaker at Summer School and Workshop on Computational and Data Science, Duke Marine Lab and Duke University, NC, Aug 1418, 2023.
July 2023:
 Invited speaker in BIRS workshop on “Applied and Computational Differential Geometry and Geometric PDEs”, Banff, Canada, July 30August 4, 2023.
May 2023:

Invited speaker in QBIO WORKSHOP: Frontiers in Hamilton Jacobi Equation And Its Applications,Institute of Industrial Science, University of Tokyo, Tokyo, Japan, May 12, 2023.

Invited speaker in AnalysisProbability seminar, MaxPlanckInstitut für Mathematik in den Naturwissenschaften (Max Planck Institute for Mathematics in the Sciences), Leipzig, Germany, May 4, 2023.
April 2023:
 Workshop “In search of model structures for nonequilibrium systems”, University of Munster and the interdisciplinary Center for Nonlinear Science, Munster, Germany, April 2428, 2023.
March 2023
 Invited speaker in Computational and Applied Mathematics Colloquium, The Pennsylvania State University, State College, PA, March 27, 2023.
October 2022:

Invited speaker in PDE Geometric Analysis seminar, University of WisconsinMadison, Madison, WI, October 31, 2022.

Invited speaker in Brown PDE seminar, Brown University, Providence, RI, October 7, 2022.

Invited speaker in Statistics and Probability Seminar, Boston University, Boston, MA, October 6, 2022.
September 2022:

Organizer of Special Session “Computations and Optimal Control for Biochemical System” at SIAM Conference on Mathematics of Data Science, San Diego, CA, September 2630, 2022.

Invited speaker in PDE seminar at Purdue University, West Lafayette, IN, September 29, 2022.

Invited speaker in Zu Chongzhi Mathematical Research Seminar Series, Duke Kunshan University, China, September 21, 2022.
August 2022:
 Invited speaker in Special Session “Thin film flows: analysis and applications” at SIAM Conference on Nonlinear Waves and Coherent Structures, Bremen, Germany, August 30September 2,2022.
July 2022:

Invited speaker at Stochastics+Dynamics+Data mini workshop at Illinois Institute of Technology, Chicago, IL, July 12, 2022.

Invited speaker at Workshop on interface problems: modeling, theory and numerics, July 24, 2022 (Online).
May 2022:
 Invited speaker in Scientific Computing seminar, Institute of Computational Mathematics, Chinese Academy of Sciences, May 17, 2022 (Online)。
April 2022:

Invited speaker in Optimal transport and Mean field games Seminar, University of South Carolina, SC, April 27, 2022 (Online).

Invited speaker in Special Session “Recent Developments in Nonlocal Modeling and Analysis” at the 2022 Joint Mathematics Meetings Program, Seattle, WA, April 68, 2022 (Online).
March 2022:

Organizer of Special Session “Recent Developments of Variational Methods in Deterministic and Stochastic Systems” at the 2022 AMS Spring Sectional Meeting, Purdue University, West Lafayette, IN, March 2627, 2022.

Invited Speaker in PDE/Analysis Seminar, Peking University, China, March 15, 2022.

Invited talk at Special Session “Variational evolution: analysis and multiscale aspects” at the SIAM PDE conference, Berlin, Germany, March 1418,2022.

Invited program visit on Frontiers in kinetic theory: connecting microscopic to macroscopic scales  KineCon 2022, Isaac Newton Institute for Mathematical Sciences, Cambridge, United Kingdom, March 715, 2022.

Invited talk at Clements Scientific Computing Seminar, Southern Methodist University, Dallas, TX, March 3, 2022.
February 2022:
 Invited talk at the Center for Computational Mathematics Seminar, University of California San Diego, La Jolla, CA, February 15, 2022.
January 2022:
 Invited talk at the Bridge to Research Seminar, Purdue University, West Lafayette, IN, January 24, 2022.
December 2021:
 Invited talk at SFU Applied Math Seminar, Simon Fraser University, Burnaby, BC, Canada, December 3, 2021,
November 2021:

Invited speaker in Special Session “Calculus of Variation, Nonlinear Waves and their Numerical Realizations”, at the AMS sectional meeting, November 2021, 2021.

Invited talk in the Center for Computational and Applied Mathematics Seminar, Purdue University, West Lafayette, IN, November 15, 2021.
October 2021:
 Invited speaker in KU Probability and statistics seminar, University of Kansas, Lawrence, KS, October 20, 2021.
June 2021:

BIRS Workshop, Entropic Regularization of Optimal Transport and Applications (Online), Banff, Canada
March 2021:
 Optimally controlled random walk on high dimensional point clouds for rare event simulation, virtual math seminar, Southern University of Science and Technology, China.
February 2021:

Adhesion of droplets with surfactant: Onsager’s principle, variational inequality, computations, special virtual math seminar, Purdue, US.

From rare events to almost sure events: optimally controlled random walk on point clouds, special virtual applied math seminar, University of Waterloo, CA.
January 2021:

Adhesion of droplets with surfactant: Onsager’s principle, variational inequality, computations, virtual multiscale seminar, Illinois Institute of Technology, US.

From rare events to almost sure events: optimally controlled random walk on point clouds, special virtual math seminar, Washington University in St. Louis, US.
December 2020:

Contact line dynamics on rough surface: gradient flow formulation, topological changes, Invited speaker in Soft Matter Symposium, Duke Kunshan, China.

From rare events to almost sure events: optimally controlled random walk on point clouds, Invited speaker in virtual math seminar, NYU, US.

From rare events to almost sure events: optimally controlled random walk on point clouds, Invited speaker in probability seminar, Duke University, US.
July 2020:
 Solvers and predictions for conformational transitions based on high dimensional point clouds with manifold structure, Invited speaker in virtual math seminar, Peking University, China.
June 2020:

Langevin dynamics with manifold structure: efficient solvers and predictions for conformational transitions, Invited speaker in virtual Applied & Computational Math seminar, Georgia Tech, Atlanta, US.

Curved dislocation and nonlocal GinzburgLandau systems, AIMS2020 Special session (Analysis of Nonlinear PDEs and Applications), Atlanta, US. Postponed.
April 2020:
Gradient flow formulation and numerical simulation for motion by mean curvature and contact line dynamics on rough surface, Invited speaker in AMS Spring Central Sectional Meeting, Purdue University, IN, US. Canceled.
March 2020:
Nolocal equation/systems: dislocation dynamics and Dyson Brownian motion, Invited speaker in AMS Spring Southeastern Sectional Meeting, University of Virginia, VA, US. Canceled.
February 2020:
 Dislocation and beyond: nonlocal GinzburgLandau systems and complex Burgers equation, PDE seminar, The University of Tennessee, Knoxville, US.
December 2019:
 Nonlocal GinzburgLandau equation/systems deriving from dislocations models: wellposedness and exponential relaxation, Invited speaker in PDE seminar, Institute of Mathematics, AMSS, CAS, China.
October 2019:

Invited Speaker in PDE and Analysis seminar, University of Pittsburgh, US.

Invited Speaker in Computational and Applied Mathematics seminar, Mississippi State University, US.
September 2019:
 Static/Quasistatic/Dynamic model of dislocations: wellposedness and exponential convergence to equilibrium, faculty seminar, Duke University, US.
July 2019:
 Invited Speaker in Minisymposium on Modeling and Simulations for Morphological Evolution of Nanoscale Crystal Growth, ICIAM 2019, Spain.
June 2019:
 Invited Speaker in math seminar, Peking University, Beijing, China.
May 2019:
 PeierlsNabarro model for single edge dislocation, Invited speaker in math seminar, NYU Shanghai.
Dec 2018:
 Invited Speaker in 2018 Young Mathematician Forum, Shanghai Jiao Tong University, China
July 2018:
 Minisymposium organizer in SIAM Conference on Mathematical Aspects of Materials Science, Portland, USA.
 Minisymposium coorganizer in the 12th AIMS Conference on Dynamical Systems, Differential Equations and Applications,Taipei.
June 2018:
 Invited Speaker in Workshop in Banff: Advanced Developments for Surface and Interface Dynamics  Analysis and Computation, Banff International research station, Canada.
February 2018:
 Invited Speaker in the 19th Northeastern Symposium on Mathematical Analysis, Hokkaido University, Japan.
December 2017:

Invited Speaker in Minisymposium on Nonlinear PDEs in Fluid Mechanics, SIAM Conference on Analysis of Partial Differential Equations, Baltimore, US.

Global strong solution with hidden singularity: application of maximal monotone operator theory to thin film equations in epitaxial growth, Invited talk on PDE Seminar, University of Maryland, US.
November 2017:
 Application of maximal monotone operator in nonreflexive space to degenerate parabolic equations, Seminar talk, University of Hong Kong, Hong Kong.
June 2017:
 Morphological evolution of crystal surfaces below the roughening temperature: from mesoscopic and macroscopic view, Seminar talk, Hong Kong University of Science and Technology, Hong Kong.