مشخصات پژوهش

Recently, the concept of g-Riesz dual sequences for g-Bessel sequences has been introduced. In this paper, we investigate under what conditions a g-Riesz sequence L={Lj?L(H,Hj):j?I} is the g-Riesz dual sequence of a given g-frame L={Li?L(H,Hi):i?I}.