Fuglede's conjecture

English

Etymology

Proposed by Danish mathematician Template:W in 1974

Proper noun

1. Template:Lb The conjecture that every domain of ${ℝ}^d$ (i.e. subset of ${ℝ}^d$ with positive finite Lebesgue measure) is a spectral set if and only if it tiles ${ℝ}^d$ by translation.