A further extension of maps with non-unique fixed points. (English) Zbl 1006.54055
Summary: A wider class of mappings in metric spaces, which have a non-unique fixed point, is introduced and investigated. The presented fixed point theorems include as special cases the corresponding theorems of Dhage, Pachpatte and the first author.
MSC:
54H25 | Fixed-point and coincidence theorems (topological aspects) |