Optimal spectral rectangles and lattice ellipses

DOI10.1098/rspa.2012.0492zbMath1371.49040OpenAlexW2325019323MaRDI QIDQ5362115

Pedro R. S. Antunes, Pedro Freitas

Publication date: 29 September 2017

Published in: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1098/rspa.2012.0492

Mathematics Subject Classification ID

Lattices and convex bodies in (n) dimensions (aspects of discrete geometry) (52C07) Estimates of eigenvalues in context of PDEs (35P15) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Variational methods for eigenvalues of operators (49R05)

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