Some recent results in metric fixed point theory
This is a survey of recent results on best approximation and fixed point theory in certain geodesic spaces. Some of these results are related to fundamental fixed point theorems in topology that have been known for many years. However the metric approach is emphasized here.
Mathematics Subject Classification (2000).Primary 05C12, 54H25, 47H09
Keywords.Best approximation fixed points CAT(0) spaces metric trees hyperconvex spaces
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