Brill-Noether theory of squarefree modules supported on a graph
Commutative Algebra
2016-09-30 v3 Combinatorics
Abstract
We investigate the analogy between squarefree Cohen-Macaulay modules supported on a graph and line bundles on a curve. We prove a Riemann-Roch theorem, we study the Jacobian and gonality of a graph, and we prove Clifford's theorem.
Cite
@article{arxiv.1001.4375,
title = {Brill-Noether theory of squarefree modules supported on a graph},
author = {Gunnar Fløystad and Henning Lohne},
journal= {arXiv preprint arXiv:1001.4375},
year = {2016}
}
Comments
Major revision, new author added, paper restructured, results corrected