Residual Finiteness of Outer Automorphis
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R.B.J.T. Allenby; Goansu Kim; C.Y. Tang
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Article
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2001
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Elsevier Science
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English
โ 118 KB
showed that outer automorphism groups of fundamental groups of closed orientable surfaces are residually finite. Here we generalize her result by showing that outer automorphism groups of generalized free products of two free groups amalgamating a maximal cyclic subgroup are residually finite. From