1. Chen, G., Ma, S.: Discrete nonlinear Schrödinger equations with superlinear nonlinearities. Appl. Math. Comput. 218, 5496–5507 (2012)
2. Chen, G., Ma, S.: Ground State and Geometrically Distinct Solitons of Discrete Nonlinear Schrödinger Equations with Saturable Nonlinearities. Stud. Appl. Math. 131, 389–413 (2013)
3. Chen, G., Ma, S.: Homoclinic solutions of discrete nonlinear Schrödinger equations with asymptotically or super linear terms. Appl. Math. Comput. 232, 787–798 (2014)
4. Chen, G., Schechter, M.: Non-periodic discrete Schrödinger equations: Ground state solutions. Z. Angew. Math. Phys. 67(3), 1–15 (2016)
5. Chen, G., Ma, S., Wang, Z.-Q.: Standing waves for discrete Schrödinger equations in infinite lattices with saturable nonlinearities. J. Differ. Equ. 261, 3493–3518 (2016)