Acta mathematica scientia,Series B ›› 2018, Vol. 38 ›› Issue (1): 289-302.

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GLOBAL STABILITY OF TRAVELING WAVEFRONTS FOR NONLOCAL REACTION-DIFFUSION EQUATIONS WITH TIME DELAY

Zhaoxing YANG, Guobao ZHANG   

  1. College of Mathematics and Statistics, Northwest Normal University, Lanzhou 730070, China
  • Received:2016-09-06 Revised:2017-08-18 Online:2018-02-25 Published:2018-02-25
  • Contact: Guobao ZHANG E-mail:zhanggb2011@nwnu.edu.cn
  • Supported by:
    This work was supported by NSF of China (11401478), Gansu Provincial Natural Science Foundation (145RJZA220).

Abstract: This paper is concerned with the stability of traveling wavefronts for a population dynamics model with time delay. Combining the weighted energy method and the comparison principle, the global exponential stability of noncritical traveling wavefronts (waves with speeds c > c*, where c=c* is the minimal speed) is established, when the initial perturbations around the wavefront decays to zero exponentially in space as x → -∞, but it can be allowed arbitrary large in other locations, which improves the results in[9, 18, 21].

Key words: nonlocal reaction-diffusion equations, traveling wavefronts, stability, comparison principle, weighted energy method

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