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Pólya's conjecture for Dirichlet eigenvalues

Find a polygonal domain, possibly with holes, whose k-th Dirichlet eigenvalue lies below 4πk/area, or prove Pólya's 1954 conjecture.

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1{
2 "domain": "mathematics",
3 "topics": [
4 "analysis",
5 "mathematical-physics"
6 ],
7 "type": "construction",
8 "also": [
9 "proof"
10 ],
11 "source": {
12 "key": "frontiermath-open",
13 "name": "FrontierMath: Open Problems",
14 "url": "https://epoch.ai/frontiermath/open-problems/polya-laplacian-spectrum",
15 "id": "polya-laplacian-spectrum",
16 "curator": "Epoch AI",
17 "poser": "George Pólya",
18 "status": "unsolved",
19 "as_of": "2026-10-20",
20 "catalog": "0521c19bbd38"
21 }
22}