Abstract
In this paper, we consider the two-dimensional nonlinear Volterra-Fredholm fuzzy integral equation (2D-NVFFIE). Homotopy analysis method (HAM) is used to determine the approximate solution of the investigated equation. We convert fuzzy Volterra-Fredholm integral equation to a system of Volterra-Fredholm integral equations in a crisp case. Hence, we obtain approximate solutions of this system and consequently obtain an approximation for the fuzzy solution of the fuzzy Volterra-Fredholm integral equation. We prove the convergence of the proposed method and find an error estimate between the exact and the approximate solution. A numerical example is given to demonstrate the validity and applicability of the proposed technique.
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Georgieva, A., Pavlova, A., Trenkova, L. (2021). Homotopy Analysis Method to Solve Volterra-Fredholm Fuzzy Integral Equations. In: Georgiev, I., Kostadinov, H., Lilkova, E. (eds) Advanced Computing in Industrial Mathematics. BGSIAM 2018. Studies in Computational Intelligence, vol 961. Springer, Cham. https://doi.org/10.1007/978-3-030-71616-5_12
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