Caristi’s fixed point theorem and metric convexity. (English) Zbl 0353.53041
MSC:
53C70 | Direct methods (\(G\)-spaces of Busemann, etc.) |
54H25 | Fixed-point and coincidence theorems (topological aspects) |
53C70 | Direct methods (\(G\)-spaces of Busemann, etc.) |
54H25 | Fixed-point and coincidence theorems (topological aspects) |