Wednesday, September 5, 2012

1209.0429 (Noah Arbesfeld et al.)

A presentation of the deformed W_{1+\infty} algebra    [PDF]

Noah Arbesfeld, Olivier Schiffmann
We provide a generators and relation description of the deformed W_{1+\infty}-algebra introduced in previous joint work of E. Vasserot and the second author. This gives a presentation of the (spherical) cohomological Hall algebra of the one-loop quiver, or alternatively of the spherical degenerate double affine Hecke algebra of GL(\infty).
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