{ "id": "0812.1575", "version": "v1", "published": "2008-12-08T21:32:32.000Z", "updated": "2008-12-08T21:32:32.000Z", "title": "Reversible biholomorphic germs", "authors": [ "Patrick Ahern", "Anthony G. O'Farrell" ], "comment": "14 pages", "journal": "Comput. Methods Funct. Theory 9 (2009), No. 2, 473--84", "categories": [ "math.DS", "math.CV" ], "abstract": "Let $G$ be a group. We say that an element $f\\in G$ is {\\em reversible in} $G$ if it is conjugate to its inverse, i.e. there exists $g\\in G$ such that $g^{-1}fg=f^{-1}$. We denote the set of reversible elements by $R(G)$. For $f\\in G$, we denote by $R_f(G)$ the set (possibly empty) of {\\em reversers} of $f$, i.e. the set of $g\\in G$ such that $g^{-1}fg=f^{-1}$. We characterise the elements of $R(G)$ and describe each $R_f(G)$, where $G$ is the the group of biholomorphic germs in one complex variable. That is, we determine all solutions to the equation $ f\\circ g\\circ f = g$, in which $f$ and $g$ are holomorphic functions on some neighbourhood of the origin, with $f(0)=g(0)=0$ and $f'(0)\\not=0\\not=g'(0)$.", "revisions": [ { "version": "v1", "updated": "2008-12-08T21:32:32.000Z" } ], "analyses": { "subjects": [ "30D05", "39B32", "37F99", "30C35" ], "keywords": [ "reversible biholomorphic germs", "holomorphic functions", "reversible elements", "characterise", "neighbourhood" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 14, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008arXiv0812.1575A" } } }