... subset of E. Likewise, essentially the same proof givesthe following version of Theorem 1,forr =∞.Theorem 5. Let X be a p aracompact topological space, Y a real Banach space, and A : X →Y∗an ... contractions, Set-Valued Anal. 2 (1994), no. 4, 559–571.Biagio Ricceri: Department of Mathematics, University of Catania, 95125 Catania, ItalyE-mail address: ricceri@dmi.unict.itEXISTENCE OF ... birthdayUsing continuous selections, we establish some existence results about the zeros of weaklycontinuous operators from a paracompact topological space into the dual of a reflexivereal Banach...