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arxiv: 1002.2090 · v1 · submitted 2010-02-10 · 🧮 math.GT · math.GR

Addendum to Ending Laminations and Cannon-Thurston Maps: Parabolics

classification 🧮 math.GT math.GR
keywords cannon-thurstonearlierendinggroupsmapsparabolicssurfacework
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In earlier work, we had shown that Cannon-Thurston maps exist for Kleinian punctured surface groups without accidental parabolics. In this note we prove that pre-images of points are precisely end-points of leaves of the ending lamination whenever the Cannon-Thurston map is not one-to-one. This extends earlier work done for closed surface groups.

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