An iterative method for calculating low lying eigenvalues of an Hermitian operator
W.A. Berger, H. G. Miller, K -G Kreuzer, R. M. Dreizler · Journal of Physics A Mathematical and General · 1977
An iterative method which may under certain circumstances be an alternative to the Lanczos (1958) method has been investigated. The main properties of this scheme are discussed and a small numerical example is presented.