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Maps that are roots of power series

✍ Scribed by Stefan Maubach; Han Peters


Publisher
Springer-Verlag
Year
2007
Tongue
French
Weight
194 KB
Volume
259
Category
Article
ISSN
0025-5874

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On conditions guaranteeing that mappings
✍ Krzysztof CiepliΕ„ski πŸ“‚ Article πŸ“… 2011 πŸ› Elsevier Science 🌐 English βš– 207 KB

In this note, we prove that if F = {f v : I -β†’ I, v ∈ V } is a suitable iteration group on an open interval I and a function g : I -β†’ I is continuous at least at one point and commutes with two mappings f a , f b ∈ F such that b a is irrational, then g ∈ F . If, moreover, f a < id < f b , then the c