On the continuous dependence of the poles of the scattering matrix on the coefficients of an elliptic operator

zbMath0541.35063MaRDI QIDQ794205

S. V. Petras

Publication date: 1984

Published in: Proceedings of the Steklov Institute of Mathematics (Search for Journal in Brave)

zbMATH Keywords

resolventscattering matrixpoles

Mathematics Subject Classification ID

Scattering theory for PDEs (35P25) Dependence of solutions to PDEs on initial and/or boundary data and/or on parameters of PDEs (35B30) Hydro- and aero-acoustics (76Q05) Elliptic equations and elliptic systems (35J99)

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Existence of resonances in three dimensions

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