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Fixed point of multifunctions on cone metric spaces. (English) Zbl 1171.54033
Summary: On a vector space, one can define an order by using a cone in the vector space. In this way, L.-G. Huang and X. Zhang [J. Math. Anal. Appl. 332, No. 2, 1468–1476 (2007; Zbl 1118.54022)] reviewed cone metric spaces as a generalization of metric spaces with a different view. Most known cones are normal with normal constant \(M=1\). In this paper, we give some results about fixed point of multifunctions on the cone metric spaces with normal constant \(M = 1\). In this way, we provide a generalization of the main results of H. E. Kunze, D. La Torre and E. R. Vrscay [J. Math. Anal. Appl. 330, No. 1, 159–173 (2007; Zbl 1115.47043)].

MSC:
54H25 Fixed-point and coincidence theorems (topological aspects)
54F05 Linearly ordered topological spaces, generalized ordered spaces, and partially ordered spaces
47H10 Fixed-point theorems
47H04 Set-valued operators
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[1] DOI: 10.1016/j.jmaa.2005.03.087 · Zbl 1118.54022 · doi:10.1016/j.jmaa.2005.03.087
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[6] DOI: 10.1016/j.jmaa.2008.04.049 · Zbl 1145.54045 · doi:10.1016/j.jmaa.2008.04.049
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