On quasi-continuous iteration groups on the unit circle.
Piekarska, A. (2003)
Mathematica Pannonica
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Piekarska, A. (2003)
Mathematica Pannonica
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György Targonski (1995)
Aequationes mathematicae
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Begehr, Heinrich (1999)
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D. Fournier-Prunaret, L. Gardini, L. Reich (2012)
ESAIM: Proceedings
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Dorota Krassowska, Marek Zdun (2013)
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We collect and generalize various known definitions of principal iteration semigroups in the case of multiplier zero and establish connections among them. The common characteristic property of each definition is conjugating of an iteration semigroup to different normal forms. The conjugating functions are expressed by suitable formulas and satisfy either Böttcher’s or Schröder’s functional equation.
A. Smajdor (1966)
Fundamenta Mathematicae
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Jolanta Olko (1999)
Annales Polonici Mathematici
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We consider a concave iteration semigroup of linear continuous set-valued functions defined on a closed convex cone in a separable Banach space. We prove that such an iteration semigroup has a selection which is also an iteration semigroup of linear continuous functions. Moreover it is majorized by an "exponential" family of linear continuous set-valued functions.
Ciepliński, Krzysztof (2003)
Mathematica Pannonica
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Łydzińska, G. (2004)
Mathematica Pannonica
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Marek Cezary Zdun (1993)
Aequationes mathematicae
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G.W. Wasilkowski (1982)
Aequationes mathematicae
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