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.
CITATION STYLE
Di Francesco, P. (2013). An inhomogeneous Lambda-determinant. Electronic Journal of Combinatorics, 20(3). https://doi.org/10.37236/2756
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