Artículo
Combinatorics of syzygies for semigroup algebras
Autor/es | Briales Morales, Emilio
Pisón Casares, Pilar |
Departamento | Universidad de Sevilla. Departamento de álgebra |
Fecha de publicación | 1998 |
Fecha de depósito | 2016-11-16 |
Publicado en |
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Resumen | We describe how the graded minimal resolution of certain semigroup algebras is related to the combinatorics of some simplicial complexes. We obtain characterizations of the Cohen-Macaulay and Gorenstein conditions. The ... We describe how the graded minimal resolution of certain semigroup algebras is related to the combinatorics of some simplicial complexes. We obtain characterizations of the Cohen-Macaulay and Gorenstein conditions. The Cohen-Macaulay type is computed from combinatorics. As an application, we compute explicitly the graded minimal resolution of monomial both affine and simplicial projective surfaces. |
Agencias financiadoras | Dirección General de Investigación Científica y Técnica (DGICYT). España Junta de Andalucía |
Identificador del proyecto | PB94-1435
PB94 1111-C02-01 Ayuda a Grupos 1144 |
Cita | Briales Morales, E. y Pisón Casares, P. (1998). Combinatorics of syzygies for semigroup algebras. Collectanea Mathematica, 49 (2-3), 239-256. |
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