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math.RT2004★ 4 cited
On two geometric constructions of U(sl_n) and its representations
Alistair Savage
Ginzburg and Nakajima have given two different geometric constructions of quotients of the universal enveloping algebra of sl_n and its irreducible finite-dimensional highest weigh…
math.RT2004★ 11 cited
Quiver varieties and Demazure modules
Alistair Savage
Using subvarieties, which we call Demazure quiver varieties, of the quiver varieties of Nakajima, we give a geometric realization of Demazure modules of Kac-Moody algebras with sym…