Finite Sampling in Multiple Generated <inline-formula> <tex-math notation="LaTeX">$U$ </tex-math></inline-formula>-Invariant Subspaces


The relevance in a sampling theory of U-invariant subspaces of a Hilbert space H, where U denotes a unitary operator on H, is nowadays a recognized fact. Indeed, shift-invariant subspaces of L<sup>2</sup>(R) become a particular example; periodic extensions of finite signals also provide a remarkable example. As a consequence, the availability of an abstract… (More)


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@article{FernandezMorales2016FiniteSI, title={Finite Sampling in Multiple Generated \$U\$ -Invariant Subspaces}, author={Hector Raul Fernandez-Morales and Antonio G. Garc{\'i}a and Maria Jos{\'e} Mu{\~n}oz-Bouzo and Alejandro Ortega}, journal={IEEE Transactions on Information Theory}, year={2016}, volume={62}, pages={2203-2212} }