Comparison of quiver varieties, loop Grassmannians and nilpotent cones in type A

Baranovsky, 2003, Wilson's Grassmannian and a noncommutative quadric, Int. Math. Res. Not., 1155, 10.1155/S1073792803210126 Beilinson Braverman, 2010, Pursuing the double affine Grassmannian I: transversal slices via instantons on Ak-singularities, Duke Math. J., 152, 175, 10.1215/00127094-2010-011 Braverman, 2013, Pursuing the double affine Grassmannian III: convolution with affine Zastava, Mosc. Math. J., 13, 233, 10.17323/1609-4514-2013-13-2-233-265 Braverman, 1999, On Ginzburg's Lagrangian construction of representations of GL(n), Math. Res. Lett., 6, 195, 10.4310/MRL.1999.v6.n2.a7 Braverman Chriss, 1997 Crawley-Boevey, 2003, Normality of Marsden-Weinstein reductions for representations of quivers, Math. Ann., 325, 55, 10.1007/s00208-002-0367-8 Harris, 1992 Henderson Howe, 1992, Perspectives on invariant theory: Schur duality, multiplicity-free actions and beyond, 1 Im Kraft, 1979, Closures of conjugacy classes of matrices are normal, Invent. Math., 53, 227, 10.1007/BF01389764 Lusztig, 1981, Green polynomials and singularities of unipotent classes, Adv. Math., 42, 169, 10.1016/0001-8708(81)90038-4 Lusztig, 1983, Singularities, character formulas and a q-analog of weight multiplicities, Astérisque, 101–102, 208 Lusztig, 1998, On quiver varieties, Adv. Math., 136, 141, 10.1006/aima.1998.1729 Lusztig, 2000, Semicanonical bases arising from enveloping algebras, Adv. Math., 151, 129, 10.1006/aima.1999.1873 Maffei, 2005, Quiver varieties of type A, Comment. Math. Helv., 80, 1, 10.4171/CMH/1 Malkin, 2002, Tensor product varieties and crystals: GL case, Transl. Am. Math. Soc., 354, 675, 10.1090/S0002-9947-01-02899-9 Mirković, 2004, Character sheaves on reductive Lie algebras, Mosc. Math. J., 4, 897, 10.17323/1609-4514-2004-4-4-897-910 Mirković, 2000, Perverse sheaves on affine Grassmannians and Langlands duality, Math. Res. Lett., 7, 13, 10.4310/MRL.2000.v7.n1.a2 Mirković, 2007, Geometric Langlands duality and representations of algebraic groups over commutative rings, Ann. Math., 166, 95, 10.4007/annals.2007.166.95 Mirković, 2003, On quiver varieties and affine Grassmannians of type A, C. R. Acad. Sci. Paris, Ser. I, 336, 207, 10.1016/S1631-073X(03)00022-0 Mirković Nakajima, 1994, Instantons on ALE spaces, quiver varieties, and Kac-Moody algebras, Duke Math. J., 76, 365, 10.1215/S0012-7094-94-07613-8 Nakajima, 1998, Quiver varieties and Kac-Moody algebras, Duke Math. J., 91, 515, 10.1215/S0012-7094-98-09120-7 Nakajima, 2001, Quiver varieties and tensor products, Invent. Math., 146, 399, 10.1007/PL00005810 Nakajima, 1999, Lectures on Hilbert Schemes of Points on Surfaces, vol. 18 Nakajima, 2002, Geometric construction of representations of affine algebras, 423 Spaltenstein, 1982, Classes Unipotentes et Sous-Groupes de Borel, vol. 946 Tao Wang, 1998 Wang, 2001, Lagrangian construction of the (gln,glm)-duality, Commun. Contemp. Math., 3, 201, 10.1142/S0219199701000329 Wilson, 1998, Collisions of Calogero-Moser particles and an adelic Grassmannian. With an appendix by I. G. Macdonald, Invent. Math., 133, 1, 10.1007/s002220050237