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Transcendental ending laminations

Ian Agol

math.GTarXiv:math/0406407

Abstract

Yair Minsky showed that punctured torus groups are classified by a pair of ending laminations (ν-,ν+). In this note, we show that there are ending laminations ν+ such that for any choice of ν-, the punctured torus group is transcendental as a subgroup of PSL2 C.

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