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On Ciric type mappings with nonunique fixed and periodic points. (English) Zbl 1100.54028
Let $$(X,d)$$ be a metric space and $$f:X \to X$$ a mapping. The authors give some metric conditions of Ciric type which imply the existence of fixed points or periodic points for $$f$$.

##### MSC:
 54H25 Fixed-point and coincidence theorems (topological aspects)
##### Keywords:
fixed point; periodic point; Ciric type mapping; metric space