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1
vote
Relative position of flags and the Robinson-Schensted correspondence
Your initial description is missing the choice of an unipotent$~u$, which is essential to having any correspondence between Borel subgroups and tableaux. Fixing$~u$ and denoting $\def\Fu{\mathcal{F}_u …
16
votes
Accepted
Has Reifegerste's Theorem on RSK and Knuth relations received a slick proof by now?
First, just for clarity about the question, the Reifegerste preprint dates from September 2003, her paper was published in 2004, and Jacob Post's thesis is from 2009.
But the theorem is easy to show f …
16
votes
Geometric proof of Robinson-Schensted-Knuth correspondence?
This is more a comment on some of the answers given than an answer to the question itself (which isn't too clear in the first place: a correspondence is not something to prove, and why should one want …