Abstract
The generalized Biswas-Arshed equation is considered using the traveling wave reduction. It is shown that there are periodic and solitary wave solutions for the nonlinearity index one and two. Exact solutions in the form of solitary wave solutions are given for arbitrary nonlinearity index. We illustrate that the solutions of the generalized Biswas-Arshed equation with arbitrary nonlinearity index by M. Tahir and A. U. Awan (Optik, 202, 2020, 163523) are wrong.
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