Commun. Korean Math. Soc. 2006; 21(2): 347-353
Printed June 1, 2006
Copyright © The Korean Mathematical Society.
Chang Il Kim
DanKook University
We prove that if a continuous surjective map $f$ on a compact metric space $X$ has the average shadowing property, then every point $x$ is chain recurrent. We also show that if a homeomorphism $f$ has more than two fixed points on $S^1$, then $f$ does not satisfy the average shadowing property. Moreover, we construct a homeomorphism on a circle which satisfies the shadowing property but not the average shadowing property. This shows that the converse of the theorem 1.1 in [6] is not true.
Keywords: average shadowing property, $\delta$-average-pseudo-orbit, shadowing property(pseudo orbit tracing property), $\delta$-pseudo-orbit, chain recurrent
MSC numbers: 54H20, 58F99
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