On Krylov solutions to infinite-dimensional inverse linear problems

Noe Caruso, Alessandro Michelangeli, Paolo Novati

We discuss, in the context of inverse linear problems in Hilbert space, the notion of the associated infinite-dimensional Krylov subspace and we produce necessary and sufficient conditions for the Krylov-solvability of a given inverse problem, together with a series of model examples and numerical experiments.

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