Kevin Campbell

most citedOn the spectral theory for first-order systems without the unique continuation property

8 citations · 8 across the 2 of their papers we have counts for

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math.SP2023

On the spectral theory of systems of first order equations with periodic distributional coefficients

Kevin Campbell, Rudi Weikard

We establish a Floquet theorem for a first-order system of differential equations $u^{'} = r u$ where $r$ is an $n \times n$ -matrix whose entries are periodic distributions of order $0$ .…