Bebiano, N.; da Providencia, J.; da Providencia, J.P.; Nata, A.
(AMCL/TUC, 2014-09-02)
Consider the linear pencil A B, where A and B are n x n complex matrices and 2 ￼ . Our main purpose is to obtain spectral inclusion regions for the pencil based on certain fields of values. We propose e cient methods, ...