Roots, iterations and logarithms of formal automorphisms

C. Praagman

Roots, iterations and logarithms of formal automorphisms

C. Praagman

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In this paper it is proved that having a logarithm is equivalent to having roots of arbitrary order in the group of automorphisms of a formal power series ring, and in algebraic subgroups, too.

Originele taal-2	Engels
Plaats van productie	Eindhoven
Uitgeverij	Technische Universiteit Eindhoven
Aantal pagina's	16
Status	Gepubliceerd - 1986

Publicatie series

Naam	Memorandum COSOR
Volume	8601
ISSN van geprinte versie	0926-4493

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title = "Roots, iterations and logarithms of formal automorphisms",

abstract = "In this paper it is proved that having a logarithm is equivalent to having roots of arbitrary order in the group of automorphisms of a formal power series ring, and in algebraic subgroups, too.",

author = "C. Praagman",

year = "1986",

language = "English",

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publisher = "Technische Universiteit Eindhoven",

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N2 - In this paper it is proved that having a logarithm is equivalent to having roots of arbitrary order in the group of automorphisms of a formal power series ring, and in algebraic subgroups, too.

AB - In this paper it is proved that having a logarithm is equivalent to having roots of arbitrary order in the group of automorphisms of a formal power series ring, and in algebraic subgroups, too.

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BT - Roots, iterations and logarithms of formal automorphisms

PB - Technische Universiteit Eindhoven

CY - Eindhoven

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Roots, iterations and logarithms of formal automorphisms

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