In the paper, we study the stability of Hilbert space generalized frames under perturbations. We get some results that are in spirit close to classical results for discrete frames, due to OLE Christensen.
In this paper, we introduce and study the generalized frame in a separableHilbert space H. Using operator-theoretic-methods, we give some conditions for a gen-eralized frame to be a tight frame, a dual frame, or an in...In this paper, we introduce and study the generalized frame in a separableHilbert space H. Using operator-theoretic-methods, we give some conditions for a gen-eralized frame to be a tight frame, a dual frame, or an independent frame in H. We alsoprove some results concerning generalized frame operators.展开更多
文摘In the paper, we study the stability of Hilbert space generalized frames under perturbations. We get some results that are in spirit close to classical results for discrete frames, due to OLE Christensen.
基金Supported by National Natural Science Foundation of China (19971056)
文摘In this paper, we introduce and study the generalized frame in a separableHilbert space H. Using operator-theoretic-methods, we give some conditions for a gen-eralized frame to be a tight frame, a dual frame, or an independent frame in H. We alsoprove some results concerning generalized frame operators.