Existence of a multiplicative basis for a finitely spaced module over an aggregate

Details Existence of a multiplicative basis for a finitely spaced module over an aggregate Existence of a multiplicative basis for a finitely spaced module over an aggregate

2007-09-16

arxiv.org/abs/0709.2455v1

Ukrainian Math. J. 46 (no. 5) (1994) 567-579

Mathematics

Representation Theory

17 pages

Scientific paper

10.1007/BF01058522

By [R. Bautista, P. Gabriel, A.V Roiter., L. Salmeron, Representation-finite algebras and multiplicative basis. Invent. Math. 81 (1985) 217-285.], a finite-dimensional algebra having finitely many isoclasses of indecomposable representations admits a multiplicative basis. In Sections 4.10-4.12 of [P. Gabriel, A. V. Roiter, Representations of finite-dimensional algebras. Encyclopaedia of Math. Sci., vol. 73, Algebra 8, Springer-Verlag, 1992] an analogous hypothesis was formulated for finitely spaced modules over an aggregate. We prove this conjecture.

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