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arxiv: math/9809155 · v1 · pith:2AQ4GUOLnew · submitted 1998-09-28 · 🧮 math.GT

Groups Generated by Powers of Dehn Twists

classification 🧮 math.GT
keywords generatedgroupspowerstwistsdehncaseclassifyconditions
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We classify groups generated by powers of 2 Dehn twists which are 1) free or 2) have no ``unexpected'' reducible elements. We give some sufficient conditions in the case of groups generated by powers of more than two twists.

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