Cheeger constant
id:
cheeger-constant-241-14611963
title:
Cheeger constant
text:
In Riemannian geometry, the Cheeger isoperimetric constant of a compact Riemannian manifold M is a positive real number h(M) defined in terms of the minimal area of a hypersurface that divides M into two disjoint pieces. In 1971, Jeff Cheeger proved an inequality that related the first nontrivial eigenvalue of the Laplace–Beltrami operator on M to h(M). In 1982, Peter Buser proved a reverse version of this inequality, and the two inequalities put together are sometimes called the Cheeger-Buser i
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encyclopedia
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original url:
https://en.wikipedia.org/wiki/Cheeger_constant
date created:
date modified:
2024-04-14T17:31:30Z
main entity:
{"identifier":"Q5089259","url":"https://www.wikidata.org/entity/Q5089259"}
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13
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