Monday, October 1, 2012

1209.6619 (P. Di Francesco)

An inhomogeneous Lambda-determinant    [PDF]

P. Di Francesco
We introduce a multi-parameter generalization of the Lambda-determinant of Robbins and Rumsey, based on the cluster algebra with coefficients attached to a T-system recurrence. We express the result as a weighted sum over alternating sign matrices.
View original: http://arxiv.org/abs/1209.6619

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