In chapter 2 , we get some conclusions for the completion of the almost complete exceptional sequence of representation - finite type algebra and finite dimensional algebra using perpendicular category 第二章借助垂直范疇得到了關(guān)于有限表示型遺傳代數(shù),任意有限維遺傳代數(shù)上幾乎完備例外序列補的一些結(jié)論。