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On quiver varieties and affine Grassmannians of type A
Ivan Mirković, Maxim Vybornov
We construct Nakajima's quiver varieties of type A in terms of affine Grassmannians of type A. This gives a compactification of quiver varieties and a decomposition of affine Grass…
math-ph2002
Quiver varieties, affine Lie algebras, algebras of BPS states, and semicanonical basis
Igor Frenkel, Anton Malkin, Maxim Vybornov
We suggest a (conjectural) construction of a basis in the plus part of the affine Lie algebra of type ADE indexed by irreducible components of certain quiver varieties. This constr…