设R是维数为1的完备的离散赋值环,其商域为K,利用迹函数给出了构造R上格范畴的导出范畴中的Auslander-Reiten三角的新方法.
Let R be a complete discrete rank one valuation ring with field of fractions K and A an R-order. A new method to construct Auslander-Reiten triangle of lattices over orders is described.