2 papers
math.FA2020
A note on point-finite coverings by balls
Carlo Alberto De Bernardi
We provide an elementary proof of a result by V.P.~Fonf and C.~Zanco on point-finite coverings of separable Hilbert spaces. Indeed, by using a variation of the famous argument intr…
math.OC2019
A variational approach to the alternating projections method
Carlo A. De Bernardi, Enrico Miglierina
The 2-sets convex feasibility problem aims at finding a point in the nonempty intersection of two closed convex sets and in a Hilbert space . The method of alternating p…