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引用
期刊论文
RIESZ BASIS PROPERTY OF EVOLUTION EQUATIONS IN HILBERT SPACES AND APPLICATION TO A COUPLED STRING EQUATION∗
SIAM J. CONTROL OPTIM. Vol. 42, No.3, pp. 966-98,-0001,():
Suppose that {λn} is the set of zeros of a sine-type generating function of the exponentialsystem {eiλnt} in L2(0, T) and is separated. Levin and Golovin's classical theorem claims that {eiλnt} forms a Riesz basis for L2(0, T). In this article, we relate this result with Riesz basis generation of eigenvectors of the system operator of the linear time-invariant evolution equation in Hilbert spaces through its spectrum. A practically favorable necessary and sufficient condition for the separability of zeros of function of sine type is derived. The result is applied to get Riesz basis generation of a coupled string equation with joint dissipative feedback control.
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