Entire Solutions for Bistable Lattice Differential Equations with Obstacles(Memoirs of the American Mathematical Society)

双稳态晶格及障碍物微分方程的完整解析(丛书)

数学分析

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出版时间
2018年01月30日
装      帧
平装
ISBN
9781470422011
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页      码
v, 119 pag
开      本
26 cm.
语      种
英文
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图书简介
The authors consider scalar lattice differential equations posed on square lattices in two space dimensions. Under certain natural conditions they show that wave-like solutions exist when obstacles (characterized by ""holes’’) are present in the lattice. Their work generalizes to the discrete spatial setting the results obtained in Berestycki, Hamel, and Matuno (2009) for the propagation of waves around obstacles in continuous spatial domains. The analysis hinges upon the development of sub and super-solutions for a class of discrete bistable reaction-diffusion problems and on a generalization of a classical result due to Aronson and Weinberger that concerns the spreading of localized disturbances.
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