INMABB 05456
INSTITUTO DE MATEMATICA BAHIA BLANCA
Unidad Ejecutora - UE
artículos
Título:
Combinatorial classification of piecewise hereditary algebras.
Autor/es:
MARCELO LANZILOTTA; REDONDO, MARIA JULIA; TAILLEFER, RACHEL
Revista:
FORUM MATHEMATICUM
Editorial:
WALTER DE GRUYTER & CO
Referencias:
Año: 2011 vol. 23 p. 1203 - 1215
ISSN:
0933-7741
Resumen:
We use the characteristic polynomial of the Coxeter matrix of an algebra to complete the combinatorial classification of piecewise hereditary algebras which Happel gave in terms of the trace of the Coxeter matrix. We also give a cohomological interpretation of the coefficients (other than the trace) of the characteristic polynomial of the Coxeter matrix of any finite dimensional algebra with finite global dimension.
