Timeline for Dehn's algorithm for word problem for surface groups
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 19, 2017 at 20:03 | comment | added | Olga | Another remark: shouldn't $r_j$ be the words in the alphabet of $a_j, b_j$ but also their inverses ?... | |
| Jan 19, 2017 at 19:56 | comment | added | Olga | One little remark: you remplace $r_1$ by $r_2^{-1}$ to keep the stuff correct ... Of course you understand it but to keep things clean :) | |
| May 21, 2016 at 4:51 | answer | added | Cusp | timeline score: 4 | |
| Jul 17, 2013 at 22:32 | vote | accept | John M | ||
| Jul 17, 2013 at 6:09 | answer | added | John Stillwell | timeline score: 17 | |
| Jul 17, 2013 at 5:28 | comment | added | Ryan Budney | Its been a long time but I recall Dehn's proof being essentially identical to the small cancellation theory proof. Dehn is using the Cayley graph in the hyperbolic plane as he had no need for a general setup. | |
| Jul 17, 2013 at 5:26 | review | First posts | |||
| Jul 17, 2013 at 6:01 | |||||
| Jul 17, 2013 at 5:10 | history | asked | John M | CC BY-SA 3.0 |