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Triangular decomposition of tame non-simply laced composition algebras - MaRDI portal

Triangular decomposition of tame non-simply laced composition algebras (Q5945571)

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scientific article; zbMATH DE number 1657174
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Triangular decomposition of tame non-simply laced composition algebras
scientific article; zbMATH DE number 1657174

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    Triangular decomposition of tame non-simply laced composition algebras (English)
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    12 June 2002
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    Der Autor beschreibt die Kompositionsalgebra einer endlich dimensionalen erblichen zahmen Algebra \(A\) (über einem endlichen Körper), die nicht vom Typ \(\widetilde A_n\), \(\widetilde D_n\) und \(\widetilde E_n\) ist, als ein Produkt von drei Unteralgebren, die den präprojektiven Moduln, regulären Moduln und präinjektiven Moduln über \(A\) entsprechen.
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    composition algebras
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    tame hereditary algebras
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    preprojective modules
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    regular modules
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    prinjective modules
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