Yazar "Olgun M." seçeneğine göre listele

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    Öğe
    Classification of completeness of quasi metric space and some fixed point results
    (Kyungnam University Press, 2017) Altun I.; Minak G.; Olgun M.
    In the present paper, considering some different type of Cauchy sequence on a quasi metric space, we classify the completeness of quasi metric spaces. By using some recent techniques we provide new fixed point results on some kind of complete quasi metric spaces. © 2017 Kyungnam University Press.
  • [ X ]
    Öğe
    Some related fixed point theorems for multivalued mappings on two metric spaces
    (Precarpathian National University, 2020) Biçer Ö.; Olgun M.; Alyildiz T.; Altun I.
    The definition of related mappings was introduced by Fisher in 1981. He proved some theorems about the existence of fixed points of single valued mappings defined on two complete metric spaces and relations between these mappings. In this paper, we present some related fixed point results for multivalued mappings on two complete metric spaces. First we give a classical result which is an extension of the main result of Fisher to the multivalued case. Then considering the recent technique of Wardowski, we provide two related fixed point results for both compact set valued and closed bounded set valued mappings via F-contraction type conditions. © Biçer Ö., Olgun M., Alyıldız T., Altun I., 2020.