Several representations of the generalized Drazin inverse of an anti-triangular block matrix in Banach algebra are given in terms of the generalized Banachiewicz-Schur form.
机构:
Sidi Mohamed Ben Abdellah Univ, Dhar El Mahraz Fac Sci, Dept Math, BO 1796 Fes Atlas, Fes 30003, MoroccoSidi Mohamed Ben Abdellah Univ, Dhar El Mahraz Fac Sci, Dept Math, BO 1796 Fes Atlas, Fes 30003, Morocco