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brief category:people
-entry for hyperlinking references at orbifold and hyperbolic manifold, in particular to this excellent book:
The link to Vanderbilt uni goes nowhere as the apparent links on that further page lead to messages saying it has been archived or suspended.
I was wondering if this John Ratcliffe was the same at the author of Ratcliffe’s lemma from Combinatorial Group Theory. It looks likely as his thesis was on: The Theory of Crossed Modules with Applications to Cohomology of Groups and Combinatorial Homotopy theory
When you follow that link the page has a link:
Click here for a complete list of Research Articles, Books and Book Reviews.
That leads nowhere. There seems nothing one can do as I tried other routes to see if I could get to the corresponding page. It gives:
This site has been archived or suspended.
I also tried https://my.vanderbilt.edu/johnratcliffe/ with the same effect.
It is not important but I thought I would mention it in case someone could find how to display his publication list, which might be useful.
@Tim
It’s the same guy. MathSciNet lists only one John Ratcliffe (papers, subscription needed), and the thesis is as you claim, up to his most recent paper in 2017, A Bieberbach theorem for crystallographic group extensions.
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