|
|||||
|
|
Roots,iterations and logarithms of formal automorphisms |
|
| Authors: | C. Praagman |
| Affiliation: | (1) Technische Hogeschool Eindhoven, Onderafdeling der Wiskunde en Informatica, Den Dolech 2, Postbus 513, NL-5600 MB Eindhoven, The Netherlands |
| 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 |
| Keywords: | Primary 39B10 39B50 20G20 |
| 本文献已被 SpringerLink 等数据库收录！ | |