. K. Bg, I. Brown, and . Gordon, Poisson orders, symplectic reflection algebras and representation theory, J. Reine Angew. Math, vol.559, pp.193-216, 2003.

H. Cassens and P. Slodowy, On Kleinian singularities and quivers. Singularities (Oberwolfach, CB1] W. Crawley-Boevey, Geometry of the moment map for representations of quivers, Compositio Math, pp.263-288, 1996.
DOI : 10.1007/978-3-0348-8770-0_14

M. Cbh, . Holland-[-cg-]-n, V. Chriss, and . Ginzburg, Noncommutative deformations of Kleinian singularities Representation Theory and Complex Geometry Homology of the zero-set of a nilpotent vector field on a flag manifold, Duke Math. J. J. Amer. Math. Soc, vol.92, issue.1, pp.605-635, 1988.

[. Esnault, E. Viehweg, . P. Eg, V. Etingof, and . Ginzburg, Lectures on vanishing theorems. DMV Seminar, 20 Symplectic reflection algebras, Calogero-Moser space, and deformed Harish- Chandra homomorphism, Invent. Math, pp.147-243, 1992.

. D. Git, J. Mumford, F. Fogarty, ]. Kirwangg, V. Gan et al., Geometric Invariant Theory Almost-commuting variety, D-modules, and Cherednik algebras, Ergeb. Math. Grenzgeb. IMRP Int. Math. Res. Pap, vol.34, issue.2, pp.1-54, 1994.

]. V. Gi1 and . Ginzburg, Geometric methods in the representation theory of Hecke algebras and quantum groups Representation theories and algebraic geometry, Harish-Chandra bimodules for quantized Slodowy slices. [Gi3] , Lagrangian construction of the enveloping algebra U (sln). C. R. Acad. Sci. Paris Sr. I Math, pp.127-183, 1991.

D. Gk-], E. Kaledin-[-gv-], and . Vasserot, Langlands reciprocity for affine quantum groups of type An [Go] I. Gordon, Baby Verma modules for rational Cherednik algebras Infinite-dimensional Lie algebras. Third edition, Poisson deformations of Symplectic quotient-singularitiesK1] D. Kaledin, On crepant resolutions of symplectic quotient singularities. Selecta Math McKay correspondence for symplectic quotient singularities, Invent. Math, pp.1-57, 1990.

. Ks-]-m, Y. Kashiwara, and . Saito, Geometric construction of crystal bases, Duke Math, J, vol.89, pp.9-36, 1997.

. D. Kl, J. Kazhdan, and . Lusztig, Proof of the Deligne-Langlands conjecture for Hecke algebras, Invent. Math, vol.87, pp.153-215, 1987.

]. A. Ki and . King, Moduli of representations of finite-dimensional algebras, Quart. J. Math. Oxford Ser, vol.45, pp.515-530, 1994.

H. Kraft, C. Procesi, and P. Kronheimer, Closures of conjugacy classes of matrices are normal, Inventiones Mathematicae, vol.26, issue.3, pp.227-247, 1979.
DOI : 10.1007/BF01389764

]. H. Kra and . Kraft, Geometrische Methoden in der Invariantentheorie Semisimple representations of quivers, D1. Friedr. Vieweg & Sohn, pp.317-585, 1984.

. [. Lusztig, On Quiver Varieties, Advances in Mathematics, vol.136, issue.1, pp.141-182, 1998.
DOI : 10.1006/aima.1998.1729

M. [. Mirkovi´cmirkovi´c, S. Vybornov, and . Mukai, Quiver varieties and Beilinson-Drinfeld Grassmannians of type A. Preprint An introduction to invariants and moduli, Na1] H. Nakajima, Instantons on ALE spaces, quiver varieties, and Kac-Moody algebras. Duke Math, pp.76-365, 1994.

. Soc, Varieties associated with quivers " in Representation Theory of Algebras and Related Topics (Mexico City, CMS Conf. Proc. 19, Amer. Math. Soc., Providence, pp.145-238, 1994.

]. A. Ru and . Rudakov, Stability for an abelian category, J. Algebra, vol.197, pp.231-245, 1997.

]. D. Sh, . Shmelkinv-]-e, and . Vasserot, Some remarks on Nakajima's quiver varieties of type A. Preprint Affine quantum groups and equivariant K-theory, Transform. Groups, vol.3, pp.269-299, 1998.