Timeline for Mechanisms generating free subgroups of Artin braid groups
Current License: CC BY-SA 3.0
2 events
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| Oct 28, 2013 at 13:04 | comment | added | JHM | I must admit i am reluctant to pursue the issue as an ``extension problem". Rather it seems all complication lies in determining how it arises that the intersections of a free subgroup $F$ of $P_n$ with the various kernels $F_{n-1}$ could all be nontrivial. | |
| Oct 28, 2013 at 1:45 | history | answered | Ian Agol | CC BY-SA 3.0 |