An inhomogeneous Lambda-determinant
Combinatorics
2012-10-01 v1 Mathematical Physics
math.MP
Abstract
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.
Cite
@article{arxiv.1209.6619,
title = {An inhomogeneous Lambda-determinant},
author = {P. Di Francesco},
journal= {arXiv preprint arXiv:1209.6619},
year = {2012}
}
Comments
35 pages, 38 figures