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Brill-Noether theory of squarefree modules supported on a graph
被引:0
|作者:
Floystad, Gunnar
[1
]
Lohne, Henning
[1
]
机构:
[1] Inst Matemat, N-5008 Bergen, Norway
关键词:
ALEXANDER DUALITY;
D O I:
10.1016/j.jpaa.2012.09.010
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
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. (c) 2012 Elsevier B.V. All rights reserved.
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页码:803 / 818
页数:16
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