Hall algebra: Revision history

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31 May 2014

24 February 2014

  • curprev 20:3920:39, 24 February 2014‎ en>MariaMonks‎ m 4,191 bytes +51‎ The map from H to the algebra of symmetric functions should be described by u_{1^n} -> q^{-n(n-1)/2}e_n, not q^{-n(n-1)}e_n as stated before. The degree of q is important so that the total degree comes out to what it should be.

27 February 2013

25 August 2012

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