Using the description of non solvable dynamics by Nakai, we give in this paper a new proof of the rigidity properties of some sub-groups of Diff(C, O). The Cinfinity case is also considered here.
@article{urn:eudml:doc:41469, title = {Rigidit\'e de quelques groupes de germes de diff\'eomorphismes.}, journal = {Publicacions Matem\`atiques}, volume = {47}, year = {2003}, pages = {459-475}, zbl = {1058.37012}, language = {fr}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41469} }
Touzet, Frédéric. Rigidité de quelques groupes de germes de difféomorphismes.. Publicacions Matemàtiques, Tome 47 (2003) pp. 459-475. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41469/