Journal
JOURNAL OF DIFFERENTIAL EQUATIONS
Volume 269, Issue 9, Pages 7214-7230Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jde.2020.05.033
Keywords
Belousov-Zhabotinskii system; Traveling wave; Asymptotic behavior; Heteroclinic orbit; Geometric singular; perturbation
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Funding
- Natural Science Foundation of China [11871251, 11771185]
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In this paper, we consider the existence of traveling wave fronts in a Belousov-Zhabotinskii system with delay. By traveling wave transformation and time scale transformation, we change the Belousov- Zhabotinskii system with delay into a singularly perturbed differential system. By applying geometric singular perturbation theory, we construct a locally invariant manifold for the associated traveling wave equation and obtain the traveling wave fronts for the equation by using the Fredholm orthogonality. Finally, we discuss the asymptotic behaviors of traveling wave solutions by applying the asymptotic theory.
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