supported by the National Natural Science Foundation of China under grant 10971024;the Speeialized Research Fund for the Doetoral Program of Higher Edueation under grant 200802860024;the Natural Science Foundation of Jiangsu Province under grant BK2010393
The National Natural Science Foundation of China(No.10571026,10871051);Specialized Research Fund for the Doctoral Pro-gram of Higher Education(No.20060286006,200802860024)
In order to study the Drazin invertibility of a matrix with the generalized factorization over an arbitrary ring, the necessary and sufficient conditions for the existence of the Drazin inverse of a matrix are given b...