عنوان EPSilon-SIMULTANEOUS APPROXIMATIONS OF DOWNWARD SETS نوع پژوهش مقاله چاپ شده کلیدواژهها "-simultaneous approximation, downward set, lattice Banach space. چکیده We prove some results on characterization of "-simultaneous approximations of downward sets in vector lattice Banach spaces. Also, we give some results about simultaneous approximations of normal sets. پژوهشگران حسین علیزاده (نفر اول)، شهرام رضاپور (نفر دوم)، سید منصور واعظ پور (نفر سوم)