2 papers
math.OC2023
How averaged is the composition of two linear projections?
Heinz H. Bauschke, Theo Bendit, Walaa M. Moursi
Projection operators are fundamental algorithmic operators in Analysis and Optimization. It is well known that these operators are firmly nonexpansive; however, their composition i…
math.OC2022
The Homogenization Cone: Polar Cone and Projection
Heinz H. Bauschke, Theo Bendit, Hansen Wang
Let be a closed convex subset of a real Hilbert space containing the origin, and assume that is the homogenization cone of , i.e., the smallest closed convex cone contai…