Özdemir, Halim; Sarduvan, Murat
(OVIDIUS UNIV PRESS, 2008)
The aim of this paper is to provide alternate proofs of all the results of our previous paper [2] in the particular case when the given two matrices A(1) and A(2) in the linear combination A = c(1)A(1) + c(2)A(2) commute.