isospectral
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Isospectral — In mathematics, two linear operators are called isospectral or cospectral if they have the same spectrum. Roughly speaking, they are supposed to have the same sets of eigenvalues, when those are counted with multiplicity. The theory of… … Wikipedia
Hearing the shape of a drum — To hear the shape of a drum is to infer information about the shape of the drumhead from the sound it makes, i.e., from the list of basic harmonics, via the use of mathematical theory. Can One Hear the Shape of a Drum? was the witty title of an… … Wikipedia
Geometrie spectrale — Géométrie spectrale La géométrie spectrale est une branche des mathématiques au carrefour de la géométrie différentielle des variétés riemanniennes et de la théorie spectrale de l opérateur de Laplace Beltrami. Plus précisément, il s agit d… … Wikipédia en Français
Géométrie Spectrale — La géométrie spectrale est une branche des mathématiques au carrefour de la géométrie différentielle des variétés riemanniennes et de la théorie spectrale de l opérateur de Laplace Beltrami. Plus précisément, il s agit d établir des relations… … Wikipédia en Français
Géométrie spectrale — La géométrie spectrale est une branche des mathématiques au carrefour de la géométrie différentielle des variétés riemanniennes et de la théorie spectrale de l opérateur de Laplace Beltrami. Plus précisément, il s agit d établir des relations… … Wikipédia en Français
Spectral graph theory — In mathematics, spectral graph theory is the study of properties of a graph in relationship to the characteristic polynomial, eigenvalues, and eigenvectors of its adjacency matrix or Laplacian matrix. An undirected graph has a symmetric adjacency … Wikipedia
Camassa–Holm equation — In fluid dynamics, the Camassa–Holm equation is the integrable, dimensionless and non linear partial differential equation:u t + 2kappa u x u {xxt} + 3 u u x = 2 u x u {xx} + u u {xxx}. ,The equation was introduced by Camassa and HolmCamassa Holm … Wikipedia
Carolyn Gordon — Carolyn Sue Gordon (* 26. Dezember 1950 in Charleston, West Virginia) ist eine US amerikanische Mathematikerin, die sich mit Differentialgeometrie beschäftigt. Sie ist insbesondere für Beiträge zur inversen Spektraltheorie bekannt. Gordon… … Deutsch Wikipedia
Modular form — In mathematics, a modular form is a (complex) analytic function on the upper half plane satisfying a certain kind of functional equation and growth condition. The theory of modular forms therefore belongs to complex analysis but the main… … Wikipedia
Spectral theory — In mathematics, spectral theory is an inclusive term for theories extending the eigenvector and eigenvalue theory of a single square matrix. The name was introduced by David Hilbert in his original formulation of Hilbert space theory, which was… … Wikipedia
