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��1�� ���� 1
1.1 �l(f��)չ���M(j��n)�� 1
1.1.1 ���Ӻ͵ďV�xDrazin�� 1
1.1.2 �։K���Ӿ�ꇏV�xDrazin��ı�ʾ 2
1.2 ӛ̖������ 4
��2�� Banach����(sh��)��Ԫ�ؾ��ԽM�ϵďV�xDrazin�� 10
2.1 ��ab=ba�l����Ԫ�غ͵� Drazin�� 10
2.2 ��ab=ba�l����Ԫ�غ͵ďV�xDrazin�� 14
2.3 ��aba=0�l����Ԫ�غ͵ďV�xDrazin�� 20
2.4 ��aa=aa��b��aba=a��ba�l����Ԫ�غ͵ďV�xDrazin�� 25
2.5 ��ab=bab��ab=a��bab�l����Ԫ�غ͵ďV�xDrazin�� 37
2.6 ��a��b=b��b��a��aba��=0��ab��=a�l����Ԫ�غ͵ďV�xDrazin�� 41
2.7 ��akb=ab��ba=b�l����Ԫ�غ͵ďV�xDrazin�� 59
2.8 ��akb=ab��ab=a��ba�l����Ԫ�غ͵ďV�xDrazin�� 69
2.9 ��(1-a��)b=a��baa��Ԫ�غ͵ďV�xDrazin�� 73
2.10 ��ab2=0��Ԫ�غ͵ďV�xDrazin�� 91
2.11 Banach����(sh��)��a1+a2+ +an��Ⱥ���ʾ 97
2.12 Banach���g��A-CB�ďV�xDrazin�� 99
2.13 Banach���g������Drazin��ı�ʾ 109
��3�� ���ԽM�ϏV�xDrazin��đ�(y��ng)�� 114
3.1 �V�xDrazin��ĸ��A������ʽ 114
3.2 ���ӷ։K��ꇵ�Ⱥ�� 121
3.3 2��2���Ӿ�ꇵďV�xDrazin�� 126
3.4 �V�xDrazin���Banachiewicz-Schur�� 140
3.5 Banach����(sh��)��Ⱥ��Ĕ_�ӽ� 142
3.6 �V�xSchur�a(b��)�Ĕ_�ӽ� 153
3.7 ���Drazin��_�ӵı�ʾ 157
�����īI(xi��n) 171