Discrete spectrum
= Discrete spectrum
{title2=$\operatorname{Sp}_{\rm d}(A)$}
{wiki}
The discrete spectrum consists of isolated eigenvalues of finite algebraic multiplicity.
= Discrete spectrum
{title2=$\operatorname{Sp}_{\rm d}(A)$}
{wiki}
The discrete spectrum consists of isolated eigenvalues of finite algebraic multiplicity.