عنوان Recent Extensions of Frames in Hilbert Spaces نوع پژوهش مقاله ارائه شده کلیدواژهها Bessel sequence, frame, g-frame, fusion frame, controlled frame چکیده The last two decades have seen tremendous activity in the development of frame theory and many generalizations of frames have come into existence. In this note, we present a short review on some of the newest extensions and generalizations of frames in Hilbert spaces. پژوهشگران اصغررحیمی (نفر اول)، بیاضدارابی (نفر دوم)