Trees, forests and jungles: a botanical garden for cluster expansions
High Energy Physics - Theory
2009-10-28 v1
Abstract
Combinatoric formulas for cluster expansions have been improved many times over the years. Here we develop some new combinatoric proofs and extensions of the tree formulas of Brydges and Kennedy, and test them on a series of pedagogical examples.
Cite
@article{arxiv.hep-th/9409094,
title = {Trees, forests and jungles: a botanical garden for cluster expansions},
author = {A. Abdesselam and V. Rivasseau},
journal= {arXiv preprint arXiv:hep-th/9409094},
year = {2009}
}
Comments
37 pages, Ecole Polytechnique A-325.0994