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Halpern's iteration in CAT(0) spaces.

Saejung, Satit (2010)

Fixed Point Theory and Applications [electronic only]

Hardy-Rogers-type fixed point theorems for $α$ - $G F$ -contractions

Muhammad Arshad, Eskandar Ameer, Aftab Hussain (2015)

Archivum Mathematicum

The aim of this paper is to introduce some new fixed point results of Hardy-Rogers-type for $α$ - $η$ - $G F$ -contraction in a complete metric space. We extend the concept of $F$ -contraction into an $α$ - $η$ - $G F$ -contraction of Hardy-Rogers-type. An example has been constructed to demonstrate the novelty of our results.

Homologie des groupes et généralisations du théorème de Borsuk-Ulam

Robert Cauty (2007)

Colloquium Mathematicae

We show that many generalisations of Borsuk-Ulam's theorem follow from an elementary result of homological algebra.

Homotopical dynamics.

Marzantowicz, Wacław (2003)

Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Universitatis Iagellonicae Acta Mathematica

Hybrid algorithm for finding common elements of the set of generalized equilibrium problems and the set of fixed point problems of strictly pseudocontractive mapping.

Kangtunyakarn, Atid (2011)

Fixed Point Theory and Applications [electronic only]

Hyperconvexity of ℝ-trees

W. Kirk (1998)

Fundamenta Mathematicae

It is shown that for a metric space (M,d) the following are equivalent: (i) M is a complete ℝ-tree; (ii) M is hyperconvex and has unique metric segments.