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d(T^n x,T^{2n}x) \leqslant \alpha d(x,T^nx) $$ holds for all $x\in X$. In the case $n=1$ these mapping are known as graphic contractions and are well studied. In the present paper, we establish a theorem on the existence of periodic points for a graphic contraction of order $n$. Examples of such mappings having different properties are constructed.
From: Evgeniy Petrov [view email]
[v1]
Fri, 22 May 2026 14:10:19 UTC (9 KB)
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