عنوان	WEAKLY-EINSTEIN CONDITIONS OVER LOCALLY CONFORMALLY FLAT LORENTZIAN THREE-MANIFOLDS
نوع پژوهش	مقاله چاپ شده
کلیدواژه‌ها	curvature identity, Codazzi tensor, Lorentzian manifolds, locally conformally flat, weakly-Einstein conditions.
چکیده	We classify the Lorentzian manifolds of dimension n ≥ 3 admitting some diagonalizable operators which satisfy the Codazzi equation. This classification is applied to characterize three- dimensional weakly-Einstein Lorentzian manifolds which fall in the conformal class of the flat metrics.
پژوهشگران	علی حاجی بدلی (نفر سوم)، امیرحسام زعیم (نفر دوم)، پروانه آتش پیکر (نفر اول)