An inhomogeneous Lambda-determinant

作者:Di Francesco Philippe*
来源:Electronic Journal of Combinatorics, 2013, 20(3): P19.

摘要

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.

  • 出版日期2013-8-16