عنوان	DRAZIN INVERTIBILITY OF THE SUM OF TWO LINEAR OPERATORS
نوع پژوهش	مقاله ارائه شده کنفرانسی
کلیدواژه‌ها	Drazin inverse, Bounded operators, Operator matrix.
چکیده	In this paper, we investigate additive properties of Drazin inverse of two Drazin invertible linear operators in Banach spaces under conditions weaker than those used in some current literature on this subject.
پژوهشگران	منصور دانا (نفر اول)، رامش یوسفی (نفر دوم)