Some points on c-K-g-frames and their duals

Abstract: In this paper we study some new properties of c-K-g-frames in a Hilbert space H. We study duals of c-K-g-frames and give some characterizations of c-K-g-frames and their duals. Also, we verify the relationships between c-K-g-frames and atomic cg-systems. Precisely, we show that these two concepts are equivalent. Finally, we find some new atomic cg-systems from given ones.