Geodesic
On metrics of characteristic zero
Władysław Kulpa1
1Faculty of Mathematics and Natural Sciences Cardinal Stefan Wyszyński University Dewajtis 5 01-815 Warszawa, Poland
Colloquium Mathematicum, Tome 130 (2013) no. 1, pp. 139-146
Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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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.
DOI : 10.4064/cm130-1-12
Keywords: introduce study concept characteristic metrics turns out metrizable spaces endowed * operator which admit metric characteristic zero play important role theory fixed points prove existence spaces among infinite dimensional linear topological spaces

Władysław Kulpa  1

1 Faculty of Mathematics and Natural Sciences Cardinal Stefan Wyszyński University Dewajtis 5 01-815 Warszawa, Poland 
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Władysław Kulpa. On metrics of characteristic zero. Colloquium Mathematicum, Tome 130 (2013) no. 1, pp. 139-146. doi: 10.4064/cm130-1-12

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