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A lantern lemma

We show that in the mapping class group of a surface any relation between Dehn twists of the form T_x^j T_y^k = M (M a multitwist) is the lantern relation, and any relation of the form (T_x T_y)^k = M (where T_x commutes with M) is the 2-chain relation.

3 nodes2 linksoverview mapA lantern lemma
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3 nodes2 links
A lantern lemma3 visible / 3 total nodes / 2 links
AuthorshipTopic signalWA lantern lemmapreprint / 2002ADan MargalitResearcherTmath.GT2393 works
PaperSignal 102 links

A lantern lemma

preprint / 2002

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