Let be a metric space,
be a nonempty closed subset and
be a nonempty compact subset. By definition, an upper semi-continuous multivalued operator
is said to be a strong Frum-Ketkov type operator if there exists
such that
, for every
, where
is the excess functional generated by
and
is the distance from a point to a set. In this paper, we will study the fixed points of strong Frum-Ketkov type multivalued operators.
Frum-Ketkov type multivalued operators
Karapinar, Erdal, Petruşel, Adrian and Petruşel, Gabriela
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Additional Information
Author(s) | Petruşel, Gabriela, Karapinar, Erdal, Petruşel, Adrian |
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DOI | https://doi.org/10.37193/CJM.2021.02.06 |