2 problems

Let ${\varmathbb{T}} = {\varmathbb{I}}-\theta{\mathrm{Proj}}$, where ${\mathrm{Proj}}$ denotes the projection onto one of the sets $A$, $B$, or $C$. Then…

The paper considers nonempty, closed and convex sets $A$ and $B$ in a Hilbert space and the averaged alternating modified reflections operator … where $\alpha\in(0,1)$ and…