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The stability of equilibrium of non-stationary systems

โœ Scribed by A.Yu. Aleksandrov


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
236 KB
Volume
60
Category
Article
ISSN
0021-8928

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## The positivity of operators in Hilbert spaces is an important concept finding wide application in various branches of Mathematical System Theory. A frequencydomain condition that ensures the positivity of time-varying operators in L2 with a state-space description, is derived in this paper by usi