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On fixed points.

S.P. Singh (1971)

Publications de l'Institut Mathématique [Elektronische Ressource]

On metrics of characteristic zero

Władysław Kulpa (2013)

Colloquium Mathematicae

We introduce and study the concept of characteristic for metrics. It turns out that metrizable spaces endowed with an L*-operator which admit a metric of characteristic zero play an important role in the theory of fixed points. We prove the existence of such spaces among infinite-dimensional linear topological spaces.

On Nash theorem

Władysław Kulpa, Andrzej Szymański (2002)

Acta Universitatis Carolinae. Mathematica et Physica

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