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Wandering set

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The set of all wandering points (cf. Wandering point) of some dynamical system . Since for each point the set contains all points of the neighbourhood , it is open in the phase space . Accordingly, the set of all non-wandering points is closed. The sets and are invariant, i.e. with each of their points they contain the point for an arbitrary . In a compact space each wandering point tends to both when and when .

References

[1] G.D. Birkhoff, "Dynamical systems" , Amer. Math. Soc. (1927)
[2] V.V. Nemytskii, V.V. Stepanov, "Qualitative theory of differential equations" , Princeton Univ. Press (1960) (Translated from Russian)
[3] K.S. Sibirskii, "Introduction to topological dynamics" , Noordhoff (1975) (Translated from Russian)


Comments

References

[a1] S. Smale, "Differentiable dynamical systems" Bull. Amer. Math. Soc. , 73 (1967) pp. 747–817
[a2] N.P. Bhatia, G.P. Szegö, "Stability theory of dynamical systems" , Springer (1970) pp. 30–36
How to Cite This Entry:
Wandering set. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Wandering_set&oldid=11341
This article was adapted from an original article by K.S. Sibirskii (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article