A noncommutative enumeration problem
Mathematical Physics
2010-12-07 v2 math.MP
Abstract
In this article we tackle the combinatorics of coloured hard-dimer objects. This is achieved by identifying coloured hard-dimer configurations with a certain class of rooted trees that allow for an algebraic treatment in terms of noncommutative formal power series.
Keywords
Cite
@article{arxiv.1004.1738,
title = {A noncommutative enumeration problem},
author = {Maria Simonetta Bernabei and Horst Thaler},
journal= {arXiv preprint arXiv:1004.1738},
year = {2010}
}
Comments
14 pages, 3 figures, section 3 extended