Monthly Archives: September 2013

Some TeXnicalities

Some of my students in Math 497C wanted me to divide my lecture notes into individual printouts, one for each lecture.  It is obviously a good idea to do that, but I had never tried it before because there is … Continue reading

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The Poincare sphere

Following on from my previous post, I would like to add a little introduction to the Poincare homology sphere early on in Chapter 1.  This gives an opportunity to introduce the \(E_8\) plumbing in a reasonably down-to-earth context, so it … Continue reading

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