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Jul 18, 2013 at 18:21 comment added Peter Koroteev Interesting point. I wonder if anybody looked at the symplectic duality from the viewpoint of integrable many-body systems in the spirit of Nekrasov and Shatashvili. Such duality may unveil some new dualities between various Hitchin-type integrable systems.
Jun 6, 2011 at 5:44 comment added Hiraku Nakajima Well, for example, rather than just a bijection between bases, is there an isomorphism between 1) the cohomology of the core of quiver variety, and 2) the intersection cohomology group of the affine Grassmannian ? I want it to be `natural' in some sense, which I do not know how to formulate. And it is not clear to me how this is explained in the framework of Koszul duality, discussed in the earlier part.
Jun 6, 2011 at 4:59 comment added Ben Webster Oh and Yuji, I should say I just misread your comment; your meaning should have been clear the first time.
Jun 6, 2011 at 4:58 comment added Ben Webster I think there is a bit more evidence now (those slides are about a year and a half old now, but it's still a little pie in the sky outside the type A case (where things are pretty well established). What sort of evidence would be more satisfying for you?
Jun 6, 2011 at 1:57 comment added Yuji Tachikawa @Ben I did, thank you. (I meant to write "it was good to be informed which string paper...")
Jun 6, 2011 at 1:25 comment added Hiraku Nakajima Hi, Ben. Do you have more precise statements of, for example, duality between quiver varieties and affine Grassmann ? I am not fully satisfied with your evidences in p.38.
Jun 5, 2011 at 18:03 comment added Ben Webster You didn't follow the link?
Jun 5, 2011 at 13:53 vote accept Yuji Tachikawa
Jun 5, 2011 at 13:53 comment added Yuji Tachikawa Thank you very much, Ben! I'm looking forward to the full paper ... it's also good to know which string theory paper you had in mind.
Jun 5, 2011 at 13:40 history answered Ben Webster CC BY-SA 3.0