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Results tagged with eigenvalues
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user 430002
eigenvalues of matrices or operators
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Multiplicity of Dirichlet Laplacian eigenvalues of asymmetric domains
Examples of symmetric domains with multiple eigenvalues (see [1]) include a square, an equilateral triangle or a circular disk. … An example of a symmetric domain with only simple eigenvalues would be a rectangle with side lengths $l_1$, $l_2$ such that $\left(\frac{l_1}{l_2}\right)^2$ is irrational [1, 3.1]. …
