Construction Methods and Sum of c-K-g-Frames in Hilbert Spaces

This paper was aimed at studying some novel methods of constructing new c-K-g -frames in a Hilbert space H. Some necessary and sufficient conditions were given for some bounded operators on H under which new c-K-g -frames were obtained from the existing ones. Also, the sum of c-K-g -frames were discussed, some of their characteri-zations were identified, and some bounded operators offered to construct new c-K-g -frames from the old ones.