Boundedness and Exponential Stability for Periodic Time Dependent Systems
نویسندگان
چکیده
The concept of asymptotical stability is fundamental in the theory of ordinary and partial differential equations. In this way the stability theory leads to the real world applications. The recent advances of stability theory interact with spectral theory, harmonic analysis, modern topics of complex functions theory and also with control theory. This note begins with the following simple remark. Let a be a complex number. The scalar differential equation
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