Author Archives: John Roe

What Surgery Is About: Manifolds

Now I’ll begin to post material from the book proper.  Here is the first section of Chapter I.  I’m going to try to post stuff in bite-size pieces like this, rather than a whole chapter at a time. Of course, … Continue reading

Posted in Book, math | Tagged , , , | Leave a comment

Bonn Summer School on Topology of High Dimensional Manifolds

Wolfgang Luck,  Diarmuid Crowley and Tibor Macko are organizing a summer school in Bonn on The Topology of High-Dimensional Manifolds.  It takes place August 26-30. Below I reproduce some of the prerequisite and reference material from the event’s web site. … Continue reading

Posted in Events | Tagged , | Leave a comment

Danger: Amateur Surgeon

This is the start screen from the Flash Game Alan Probe: Amateur Surgeon.  (I won’t include a link, but Google should find it for you.) The surgery process is a somewhat drastic one, which can significantly change the homotopy type … Continue reading

Posted in Humor | Leave a comment

Book Preface

To get started, I am posting the preface to Surgery for Amateurs as I drafted it last time I wrote, in about 2005. Here is the link. Comments are welcome!  

Posted in Book, math | Tagged , | 1 Comment