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Sincere posets of finite prinjective type with three maximal elements and their sincere prinjective representations

2002
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Colloquium Mathematicum
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Assume that K is an arbitrary field. Let (I, ) be a poset of finite prinjective type and let KI be the incidence K-algebra of I. A classification of all sincere posets of finite prinjective type with three maximal elements is given in Theorem 2.1. A complete list of such posets consisting of 90 diagrams is presented in Tables 2.2. Moreover, given any sincere poset I of finite prinjective type with three maximal elements, a complete set of pairwise non-isomorphic sincere indecomposable

doi:10.4064/cm93-2-1
fatcat:573whr5swjgz5hiqftd7wog26a