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math.QA2004★ 4 cited
Canonical bases of loop algebras via quot schemes II
Olivier Schiffmann
This paper is a sequel (and contains a better treatment) of math.QA/0404032; We construct some canonical bases for quantum toroidal algebras of types D_4, E_6, E_7, E_8 using perve…
math.QA2004
Canonical bases of loop algebras via Quot schemes, I
Olivier Schiffmann
We propose a construction of some canonical bases for quantum loop algebras of Kac-Moody algebras. We consider a smooth projective curve X, a group of automorphism G of X such that…