نتایج جستجو برای: convex contaction

تعداد نتایج: 54795  

Journal: :Rocky Mountain Journal of Mathematics 2005

Journal: :bulletin of the iranian mathematical society 2013
a. abkar m. eslamian

in this paper, we present some common fixed point theorems for two generalized nonexpansive multivalued mappings in cat(0) spaces as well as in uced banach spaces. moreover, we prove the existence of fixed points for generalized nonexpansive multivalued mappings in complete geodesic metric spaces with convex metric for which the asymptotic center of a bounded sequence in a bounded closed convex...

Journal: :sahand communications in mathematical analysis 0
mohammad ali hadian nadoshan department of mathematics, vali-e-asr university of rafsanjan, zip code: 7718897111, rafsanjan, iran. hamid reza afshin department of mathematics, vali-e-asr university of rafsanjan, zip code: 7718897111, rafsanjan, iran.

in this paper we study the concept of latin-majorizati-on. geometrically this concept is different from other kinds of majorization in some aspects. since the set of all $x$s latin-majorized by a fixed $y$ is not convex, but, consists of :union: of finitely many convex sets. next, we hint to linear preservers of latin-majorization on $ mathbb{r}^{n}$ and ${m_{n,m}}$.

Journal: :Journal of Mathematical Analysis and Applications 2019

Journal: :Journal of Pure and Applied Algebra 2019

Journal: :Nature 1958

Journal: :Journal of Mathematical Analysis and Applications 1971

Journal: :bulletin of the iranian mathematical society 2011
a. amini-harandi a. p. farajzadeh

Journal: :Michigan Mathematical Journal 1972

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