... combinatorial analysis, and so forth; for example, see 1, 2. And many scholars have investigated difference BVP independentlymainly for two reasons. The first one is that the behavior of discrete ... Souroujon, and S. Tersian, “Decreasing and fast solutions for a second-orderdifference equation related to Fisher-Kolmogorov’s equation,” Journal of Mathematical Analysis and Applications, vol. ... P. Agarwal, K. Perera, and D. O’Regan, “Multiple positive solutions of singular and nonsingulardiscrete problems via variational methods,” Nonlinear Analysis. Theory, Methods & Applications,vol.58,...