Abstract
In this paper, based on the previous works, we improve a computational method on solving time-fractional partial differential equation. Using the improved method, a series of time-fractional reaction–diffusion models with Fisher–KPP type are studied from mathematical point of view. Different kinds of exact solutions of four time-fractional reaction–diffusion models are obtained. The forms of these solutions include parametric form, explicit form, and implicit form. Most of them (solutions) have degenerate property according as time increase. The dynamical properties of some representative exact solutions are illustrated by graphs.
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Acknowledgements
We thank reviewers very much for their useful comments and helpful suggestions on my manuscript. This work was supported by the National Natural Science Foundation of China under Grant No. 11361023 and the Chongqing Science and Technology Commission of China under Grant No. cstc2018jcyjAX0766.
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Communicated by José Tenreiro Machado.
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Rui, W., Zhang, H. Separation variable method combined with integral bifurcation method for solving time-fractional reaction–diffusion models. Comp. Appl. Math. 39, 299 (2020). https://doi.org/10.1007/s40314-020-01346-w
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DOI: https://doi.org/10.1007/s40314-020-01346-w
Keywords
- Time-fractional reaction–diffusion model
- Separation variable method
- Homogenous balanced principle
- Integral bifurcation method
- Exact solution