Isbn: 9781468475913 - spectral theory (topics in mathematical physics, band 3) (4 Ergebnisse)

Zustand: New. In English.

Paperback. Zustand: Brand New. 99 pages. 11.00x8.30x0.50 inches. In Stock.

Zustand: New.

Taschenbuch. Zustand: 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'.…