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ACTION OF NON ABELIAN GROUP GENERATED BY AFFINE HOMOTHETIES ON R^n
Adlene Ayadi 1, Yahya N'Dao 1
(2010-09-27)

In this paper, we study the action of non abelian group G generated by affine homotheties on R^n. We prove that G satisfies one of the following. (i) Closure of every orbit is an affine subspace of R^n, or union of countable affine subspaces of R^n. (ii) Closure of every orbit is union of at most two closed subgroup of Rn. Furthermore, we show that there exists a G-invariant affine subspace E_G of R^n considered as minimal set of G and every orbit of its complementary U = R^n\E_G is minimal in U.
1:  Systèmes dynamiques et combinatoire:99UR15-15
Faculté des sciences de Sfax
Mathematics/Dynamical Systems
Homothety – orbit – density – minimal – non abelian – action – dynamic
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