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A fixed point theorem for set-valued quasi-contractions in $$b$$-metric spaces. (English) Zbl 1457.54032
Summary: In this article, we give a fixed point theorem for set-valued quasi-contraction maps in $$b$$-metric spaces. This theorem extends, unifies and generalizes several well-known comparable results in the existing literature.

##### MSC:
 54H25 Fixed-point and coincidence theorems (topological aspects) 54E40 Special maps on metric spaces
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##### References:
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