2 citations · 3 across the 8 of their papers we have counts for
1 paper · 1 filter
Piotr Błaszkiewicz, Hanna Ćmiel, Alessandro Linzi +1
Based on the theory of ball spaces introduced by Kuhlmann and Kuhlmann we introduce and study Caristi-Kirk and Oettli-Théra ball spaces. We show that if the underlying metric space…