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Jul 28, 2011 at 3:27 answer added David Wehlau timeline score: 1
Apr 2, 2010 at 11:26 answer added Vladimir Dotsenko timeline score: 2
Apr 1, 2010 at 22:01 comment added Ben Webster As the answer below mentions, this has beeen studied a lot by combinatorialists when $k=0$ and $R$ is a field of characteristic 0, and it is interesting, but hard. Search for "diagonal coinvariants" or "Cherednik algebras" (which are a deformation of the smash product).
Apr 1, 2010 at 21:48 answer added clarifythequestion timeline score: 0
Apr 1, 2010 at 21:11 history edited Dev Sinha CC BY-SA 2.5
deleted 4 characters in body; edited title
Apr 1, 2010 at 20:30 history asked Dev Sinha CC BY-SA 2.5