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Publikováno v:
Complex Analysis and Operator Theory. 17
Publikováno v:
Rendiconti del Circolo Matematico di Palermo Series 2. 71:865-878
In this research paper, we address the local spectral properties of an upper triangular linear relations matrix $$M_{C}$$ defined by $$M_{C}=\left( \begin{array}{cc} A &{} C \\ 0 &{} B \\ \end{array} \right) ,$$ on $$X\oplus Y$$ where $$A \in \mathca