The spectral diameter as a function of the diagonal entries
Beresford Ν. Parlett · Numerical Linear Algebra with Applications · 2003
Abstract For certain specified real symmetric matrices A the spectral diameter of A – diag (A) is less than or equal to the spectral diameter of A. Included are irreducible matrices whose undirected graphs have no cycles. Copyright © 2003 John Wiley & Sons, Ltd.