Welcome! Basic info about me and this blog can be found in the "about me and this blog" page.
- Brief Introduction (BI)
- Expanded Outline (EO)
- hyperbolicity of complexes
- Just for fun
- random walks
- Why not donating your paper to the public domain?
Monthly Archives: January 2012
There are a few types of quasi-isometric rigidity results. I will talk about results of the following kinds: 1) self-quasi-isometries of such-and-such space or group (coarsely) preserve some structure, usually a collection of (left cosets) of subgroups 2) if a … Continue reading
This post contains an experimental exposition of asymptotic cones, I hope this will be vaguely understandable (feedback is warmly welcome!). Many (most?) researchers actually think of asymptotic cones in a way similar to the one I’ll present, rather than as … Continue reading
I’d like to tell you about a certain family of bilipschitz paths in universal covers of graph manifolds with nice “combinatorial” properties that I used here and later here, and that hopefully will turn out to be useful in other … Continue reading