Spectral gap

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:

See also

References

    This article is issued from Wikipedia - version of the 12/10/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.