An order drop theorem

  • Mihai Turinici
Keywords: metric/normed space, drop, support point, lsc/usc function, variational principle, preorder, self-closedness, logical equivalence

Abstract

A drop theorem on ordered metric spaces is established from the (pre) order version of Ekeland’s variational principle in Turinici [An St UAIC Ia (Math), 36 (1990), 329-352]. The logical equivalence between these results is also discussed.
Published
2007-04-01
Section
Articoli