【摘要】 确定了树型偏序集的多重对偶扩张代数的典范模的结构，并描述了其 Ｒｉｎｇｅｌ 对偶代数的通常箭图的形状。更多还原

【Abstract】 This paper determines the structures of canonical modules over dual extension algebras of multi posets of tree type and describes the ordinary quivers of the ringel duals of these algebras.更多还原