The coordinate ring of a simple polyomino
Commutative Algebra
2014-08-20 v1 Combinatorics
Abstract
In this paper it is shown that a polyomino is balanced if and only if it is simple. As a consequence one obtains that the coordinate ring of a simple polyomino is a normal Cohen-Macaulay domain.
Cite
@article{arxiv.1408.4275,
title = {The coordinate ring of a simple polyomino},
author = {Juergen Herzog and Sara Saeedi Madani},
journal= {arXiv preprint arXiv:1408.4275},
year = {2014}
}
Comments
14 pages, 12 figures