Monthly Archives: January 2015

Mapping Class Group Elements

Let’s get into the mapping class group and talk a bit about its elements and its structure.  I’m going to omit proofs, because I can’t beat Minsky’s exposition, and this is just some flavor and definitions, most of which won’t … Continue reading

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The Mapping Class Group

Last time, we touched on the mapping class group, so now, we’re going to dig in. Now, we’re not going to dig too deeply, there’s a LOT here (see the wonderful book by Farb and Margalit for a hint at … Continue reading

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Fenchel-Nielsen Coordinates

Welcome back, and hope all you readers had a good 2014 and particularly good holidays and new year’s celebrations, if you do those things.  Today, we’re going to keep on the road to producing the moduli space of curves, by … Continue reading

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