Spectral gap
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In mathematics, the spectral gap is the difference between the moduli of the two largest eigenvalues of a matrix or operator; alternately, it is sometimes taken as the smallest non-zero eigenvalue. Various theorems relate this difference to other properties of the system.
See also
- Cheeger constant (graph theory)
- Cheeger constant (Riemannian geometry)
- Eigengap
- Spectral gap
- Spectral radius
References
External links
- "Impossible-Seeming Surfaces Confirmed Decades After Conjecture" (in en). 2022-06-02. https://www.quantamagazine.org/impossible-seeming-surfaces-confirmed-decades-after-conjecture-20220602/.
![]() | Original source: https://en.wikipedia.org/wiki/Spectral gap.
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