Timeline for Fundamental domain for symmetric group $S_n$ acting on $\mathop{Gr}(k,n)$?
Current License: CC BY-SA 2.5
4 events
when toggle format | what | by | license | comment | |
---|---|---|---|---|---|
May 7, 2010 at 17:43 | comment | added | Dylan Thurston | Well, it's not very "nice" nor efficient, but I'll accept it, since it does give a fundamental domain. | |
May 7, 2010 at 17:43 | vote | accept | Dylan Thurston | ||
May 7, 2010 at 11:29 | comment | added | David E Speyer | An alternative first step might be to require that the corresponding Plucker coordinate be maximal. That way, you compute $\binom{n}{k}$ Plucker coordinates, rather than $\binom{n}{k} k (n-k)$ matrix entries. Not a big improvement, though. | |
May 7, 2010 at 1:54 | history | answered | Bjorn Poonen | CC BY-SA 2.5 |