Browsing College of Natural Sciences (CoNAS) by Title "The numerical range of linear relations and stability theorems"
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The numerical range of linear relations and stability theorems
(Makerere University, 2022)The nullity, deficiency and index of a linear relation A from a linear space X to a linear space Y are defined as the dimension of the null space of A, the codimension of the range of A and the difference between the nullity ...