We deal with real preconditioned interval linear systems of equations. We present a new operator, which generalizes the interval Gauss–Seidel operator. Also, based on the new operator and properties ...
We give a proof of the asymptotic completeness for the wave operators associated to the pair (h(D), h(D) + VS + VL) = (H0, H), where h is a simply characteristic symbol, VS a short-range perturbation ...
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