PubCard - On the Asymptotic Stability of Wave Equations Coupled by Velocities of Anti-symmetric Type

(Peer-Reviewed) On the Asymptotic Stability of Wave Equations Coupled by Velocities of Anti-symmetric Type

Yan Cui ¹, Zhiqiang Wang 王志强 ²

¹ Department of Mathematics, Jinan University, Guangzhou, 510632, China
中国广州暨南大学数学系
² School of Mathematical Sciences and Shanghai Key Laboratory for Contemporary Applied Mathematics, Fudan University, Shanghai, 200433, China
中国上海复旦大学数学科学学院上海市现代应用数学重点实验室

Chinese Annals of Mathematics, Series B, 2021-11-12

https://doi.org/10.1007/s11401-021-0293-8

https://link.springer.com/article/10.1007/s11401-021-0293-8#additional-information

Abstract

In this paper, the authors study the asymptotic stability of two wave equations coupled by velocities of anti-symmetric type via only one damping. They adopt the frequency domain method to prove that the system with smooth initial data is logarithmically stable, provided that the coupling domain and the damping domain intersect each other. Moreover, they show, by an example, that this geometric assumption of the intersection is necessary for 1-D case.

On the Asymptotic Stability of Wave Equations Coupled by Velocities of Anti-symmetric Type_1

On the Asymptotic Stability of Wave Equations Coupled by Velocities of Anti-symmetric Type_2

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