On some Hall polynomials over a quiver of type ˜D4

Autor: Szántó Csaba, Szöllősi István
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Acta Universitatis Sapientiae: Mathematica, Vol 12, Iss 2, Pp 395-404 (2020)
Druh dokumentu: article
ISSN: 2066-7752
DOI: 10.2478/ausm-2020-0028
Popis: Let k be an arbitrary field and Q a tame quiver of type ˜D4. Consider the path algebra kQ and the category of finite dimensional right modules mod-kQ. We determine the Hall polynomials Fxyz associated to indecomposable modules of defect ∂z =−2, ∂x = ∂y =−1 or dually ∂z = 2, ∂x = ∂y = 1.
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