My research interests are in applied mathematics, more specifically, in differential/difference equations and their applications which include
 Nonlinear boundary value problems
 Dynamical systems
 Numerical solutions of differential equations
 Stochastic differential equations
Selected Publications

Stationary solution of a stochastic nosocomial epidemic model in hospital intensive care units, Stochastic Anal. Appl. 32 (2014), 840850. (with J. R. Graef and L. Kong)

A Chebyshev spectral method for solving RiemannLiouville fractional boundary value problems, Appl. Math. Comput. 241 (2014), 140150. (with J. R. Graef and L. Kong)

Uniqueness and parameter dependence of positive doubly periodic solutions of nonlinear telegraph equations, Opuscula Math. 34 (2014), 363373. (with J. R. Graef and L. Kong)

Existence and uniqueness of solutions for a fractional boundary value problem on a graph, Fract. Calc. Appl. Anal. 17 (2014), 499510. (with J. R. Graef and L. Kong)

Existence and uniqueness of solutions for a fractional boundary value problem with Dirichlet boundary condition, Electron. J. Qual. Theory Differ. Equ. 2013 (2013), No. 55, 111. (with J. R. Graef, L. Kong, and Q. Kong)

Uniqueness and parameter dependence of positive solutions of a discrete fourth order problem, J. Difference Equ. Appl. 19 (2013), 11331146. (with J. R. Graef, L. Kong, and B. Yang)

Uniqueness of positive solutions of fractional boundary value problems with nonhomogeneous integral boundary conditions, Fract. Calc. Appl. Anal. 15 (2012), 509528. (with J. R. Graef, L. Kong, and Q. Kong)

Dependence of the unique solution of a periodic boundary value problem on the parameter, Appl. Math. Comput. 217 (2011), 78387844. (with H. Bellout and Q. Kong)

Positive solutions of even order system periodic boundary value problems, Nonlinear Anal. 72 (2010) 17781791. (with Q. Kong)
By September 2014, I have published 30 research papers. Here is a complete list of my publications on Google Scholar.