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loup blanc
Posts:
16
From:
france
Registered:
8/21/06


composition of inversions
Posted:
May 31, 2009 7:10 AM


Let S be a sphere in R^3 of radius 1.Let u_1,u_2 be two inversions leaving S invariant. Can I write the composition (u_1)o(u_2) in the form fog where f is an isometry leaving S invariant ang g is an inversion leaving S invariant ?



