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Published: December 23,2021

It is difficult or impossible to find the exact solutions for many partial differential equations. In recent years, a variety of efficient and practical methods have been proposed by mathematicians. This article investigates the exact solutions of partial differential equations. The Gardner equation is well known in literature and is applicable in various branches of physics. The Gardner equation belongs to the category of non-linear partial differential equations. This equation and its generalizations are used in many areas of applications, such as hydrodynamics, plasma physics, and quantum field theory. The Gardner-type equations are the useful model to understand the propagation of negative ion acoustic plasma waves. These type of equations can be derived from the system of plasma motion equations in one dimension with arbitrarily charged cold ions and inertia neglected isothermal electrons. Numerous numerical and analytical methods have been used to study this equation. That proves the importance of this equation. In this paper, we examine the exact travelling wave solutions of the Gardner equation. The Hirota’s bilinear method and the Cole-Hopf transformation is used to obtain an elegant formula for the exact travelling wave solution. We demonstrate a correct formula for exact solutions. Mathematica software and the standart LaTex tools was used to perform the computations. The suggested approach can be used in other real-world models in science and engineering.

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**A Note on Two (3+1)-Dimensional Gardner-Type Equation with Multiple Kink Solutions**

**How to cite this paper:** Afgan Aslanov. (2021) A Note on Two (3+1)-Dimensional Gardner-Type Equation with Multiple Kink Solutions. *Journal of Applied Mathematics and Computation*, **5**(**4**), 354-360.

DOI: http://dx.doi.org/10.26855/jamc.2021.12.014

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