{"product_id":"spectral-theory-von-m-sh-birman","title":"Spectral Theory","description":"\u003cp\u003eThe 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 $$\\int{\\left \\text{q}\\left( \\text{x} \\right) \\right}{{\\text{e}}^{\\text{ }\\!\\!\\delta\\!\\!\\text{ }\\left x \\right}}dx$$ \u0026lt; ?.- ¿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 \u0026lt; ?.- 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¿.\u003c\/p\u003e\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9781468475913\"\u003e\u003ch3\u003e\u003c\/h3\u003e\u003c\/div\u003e","brand":"Libri","offers":[{"title":"Softcover - 9781468475913","offer_id":39417310773341,"sku":"9781468475913","price":53.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/119a194c-e8e0-4c55-be70-6c6ca1f95b9e.jpg?v=1775794561","url":"https:\/\/shop.autorenwelt.de\/products\/spectral-theory-von-m-sh-birman","provider":"Autorenwelt Shop","version":"1.0","type":"link"}