{ "domain": "mathematics", "topics": [ "analysis", "mathematical-physics" ], "type": "construction", "also": [ "proof" ], "source": { "key": "frontiermath-open", "name": "FrontierMath: Open Problems", "url": "https://epoch.ai/frontiermath/open-problems/polya-laplacian-spectrum", "id": "polya-laplacian-spectrum", "curator": "Epoch AI", "poser": "George Pólya", "status": "unsolved", "as_of": "2026-10-20", "catalog": "0521c19bbd38" }, "review": true, "approval": "first-time" }