Spectral theory de birman (64 resultados)

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Condición: Very Good+ EX-LIBRARY. No jacket. New York & London:: Consultants Bureau, 1969. 8.25" wide by 10.75" tall. Spine is tight, square, and flat. No creases. WITHDRAWN stamp, and other typical library markings. Text pages are clean. No underlining. No highlighting. No margin notes. Volume 3 only. Translated from Russian. Bibliographical references. Bound in the original printed green wraps. . 1st Edition in English, with corrections. Softcover. Very Good+ EX-LIBRARY./No jacket. vi, 93pp. 1st Edition in English, with corrections.…

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Taschenbuch. Condición: Neu. Druck auf Anfrage Neuware - Printed after ordering - Transition of the Quasi-Levels in the Discrete Spectrum of the Schr¿dinger Operator under Strong Perturbations of the Potential.- A Criterion for the Existence of the Complete Wave Operators in the Theory of Scattering with Two Spaces.- The Inverse Problem for the Wave Equation with an Unknown Source.- On the Various Formulations of the One-Dimensional Inverse Problem for the Telegraph Equation.- Quantitative Characteristics of Singular Measures.- Spectral Identities and the Trace Formula in the Friedrichs Model.- Perturbation of the Spectrum of the One-Dimensional Self-Adjoint Schr¿dinger Operator with a Periodic Potential.- The Field of a Point Source Located Outside a Convex Curve.- Criteria for the Boundedness and Complete Continuity of Certain Imbedding Operators.- A Uniqueness Theorem for Functions with Positive Imaginary Part.- Application of the Method of Standard Comparison Problems to Perturbations of the Coulomb Field. The Discrete Spectrum.…

Hardcover/ Pappband. Condición: Gut. 134 S. Spektraltheorie mathematische Physik Beugungsprobleme Mathematics Natural Science Slightly faded cover. Guter Zustand/ Good With figures. Ex-Library. Stamped edges. ha1060582 Sprache: Englisch Gewicht in Gramm: 600.

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Taschenbuch. Condición: Neu. Neu neuware, importqualität, auf lager - InhaltsangabeThe Asymptotic Behavior of the Solutions of the Wave Equation Concentrated near the Axis of a Two-Dimensional Waveguide in an Inhomogeneous Medium.- 1. A Waveguide in an Inhomogeneous Medium.- 2. The Construction of the Solutions of the Wave Equation Concentrated near the Waveguide Axis.- 3. The Asymptotic Behavior of the Eigenfunctions and Eigenvalues of the Boundary Problem for the Waveguide.- Literature Cited.- Perturbations of the Spectrum of the Schroedinger Operator with a Complex Periodic Potential.- 1. Preliminary Information.- 2. Investigations of the Perturbed Operator.- 3. Investigation of the Spectrum under the Condition $$int{left ext{q}left( ext{x} ight) ight }{{ext{e}}^{ext{ }!!delta!!ext{ }left x ight }}dx$$ < .- 4. Proof That There Are No Eigenvalues on the Continuous Spectrum.- Literature Cited.- The Discrete Spectra of the Dirac and Pauli Operators.- 1. Auxiliary Information.- 2. The Discrete Spectrum of the Dirac Operator in the Case of Spherical Symmetry.- 3. The Discrete Spectrum of the Dirac Operator in the Three-Dimensional Case.- 4. The Discrete Spectrum of the Pauli Operator.- Literature Cited.- The Nonself-Adjoint Schroedinger Operator. III.- 1. Auxiliary Information.- 2. The Operator with Potential q(x) S .- 3. The Operator with Potential q(x) Sn, n < .- Literature Cited.- The Singular Numbers of the Sum of Completely Continuous Operators.- Literature Cited.- Double-Integral Operators in the Ring R^.- Literature Cited.- Correction to 'The Inverse Problem in the Theory of Seismic Wave Propagation'.…

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