• Celestial Mechanics

• Differential Equations

• Dynamical Systems

• 2005.09-2009.06, B.S. in Mathematics, Sichuan University, China

• 2009.09-2012.06, M.Sc. in Applied Mathematics, Sichuan University, China

• 2012.09-2015.06, Ph.D in Applied Mathematics, Sichuan University, China

• 2015.07-2016.08 Southwest University of Finance and Economics, Assistant Professor

• 2016.09-2024.01 Southwest University of Finance and Economics, Associate Professor

• 2024.01-present Center for Applied Mathematics, Tianjin University, Associate Professor

• X. Yu and S. Zhang. Saari's Conjecture for Elliptical Motions and Minimizing Solutions of the N-body Problem, SIAM Journal on Mathematical Analysis, 48(1), 709-724, 2016.

• X. Yu and S. Zhang. Action-minimizing solutions of the one-dimensional N-body problem. Celestial Mechanics and Dynamical Astronomy, 130(5):1-15, 2018.

• X. Yu and S. Zhu. Classification of (n+1,1)-stacked central configurations in R^3. Journal of Nonlinear Science, 31(1):1-21, 2021.

• X. Yu. On the problem of infinite spin in total collisions of the planar n-body problem. to be appeared in Memoirs of the AMS.

• X. Yu. Finiteness of stationary configurations of the planar four-vortex problem. Advances in Mathematics, 435(2023):109378.