Abstract
This paper proposes a formally stronger set-valued Clarke’s fixed point theorem. By this theorem we can improve a fixed point theorem for weakly inward contraction set-valued mapping of D. Dowing and W.A. Kirk.
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Song, W. A generalization of Clarke’s fixed point theorem. Appl. Math. 10, 463–466 (1995). https://doi.org/10.1007/BF02662502
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DOI: https://doi.org/10.1007/BF02662502