AIP Conference Proceedings 2183, 070029 (2019); https://doi.org/10.1063/1.5136191 2183, 070029 © 2019 Author(s). Symmetry analysis of the discrete nonlinear boundary value problems for the wave equation Cite as: AIP Conference Proceedings 2183, 070029 (2019); https://doi.org/10.1063/1.5136191 Published Online: 06 December 2019 Ozgur Yildirim, and Sumeyra Caglak