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20122023
most citedBounds on the non-real spectrum of differential operators with indefinite weights

2 citations · 2 across the 5 of their papers we have counts for

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math.FA2014

The effect of finite rank perturbations on Jordan chains of linear operators

Jussi Behrndt, Leslie Leben, Francisco Martínez Pería +1

A general result on the structure and dimension of the root subspaces of a matrix or a linear operator under finite rank perturbations is proved: The increase of dimension from the…