"970113 1997 eng "
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$K$-metric and $K$-normed linear spaces: survey
Zabreĭko, P. P. (Petr Petrovich)
We give a short survey on some fixed point theorems which are generalizations of the classical Banach-Caccioppoli principle of contractive mappings. All these results are gathered in three theorems about existence and uniqueness of fixed points for operators which act in $K$-metric or $K$-normed linear spaces and, in particular, in local convex spaces and scales of Banach spaces. Three fixed point theorems presented in this article cover numerous applications in numerical methods, theory of integral equations, some results on iterative methods for construction of periodic solution to ordinary differential equations, existence and uniqueness results on solvability for Cauchy and Goursat problems of Ovsjannikov - Treves - Nirenberg type and so on.
Universitat de Barcelona
1997-01-13 00:00:00
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https://www.raco.cat/index.php/CollectaneaMathematica/article/view/56434
Collectanea Mathematica; 1997: Vol.: 48 Núm.: 4 -6
eng