Efficient eigenvalue computation for quasiseparable Hermitian matrices under low rank perturbations.

Yuli Eidelman Luca Gemignani Israel Gohberg Efficient eigenvalue computation for quasiseparable Hermitian matrices under low rank perturbations. 253-273 2008 47 Numerical Algorithms 3 http://dx.doi.org/10.1007/s11075-008-9172-0 db/journals/na/na47.html#EidelmanGG08