Browsing by Author "Lavine, Richard"
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- ItemLower bounds for resonance widths in potential and obstacle scattering(1990) Fernández Jaña, Claudio Alonso; Lavine, RichardExplicit lower bounds are given for the size of the imaginary parts of resonances for Schrodinger operators with non-trapping or trapping potentials, and for the Dirichlet Laplacian in the exterior of a star-shaped obstacle, both acting in three dimensions.