由于萧干小说创作的复杂性，很难简单地将其束缚在“京派”作家群的范畴之内，他与“京派”的联系有特定的时间限制。
Because of the complexity of Xiao Qian's novels, it's difficult to simply to tie him under the "Beijing School" writers. That he has joined in the "Beijing School" is a specific time limit.
证明左拟正规带范畴中张量积的存在性，并证明了它与半群张量积的关系，同时给出半格在左拟正规带范畴中张量积与在半格范畴中张量积之间的关系。
The existence of a tensor product is proved in the left quasi-normal band category, and the relationship with the tensor product in the semi-group category is provided.
同时对盟定义了盟模，并证明了对部分半群g，所有G -盟作成的范畴与所有G -分次环作成的范畴是同构的。
It is proved that for a partial semigroup g, the category of G-unions and the category of G-graded rings are isomorphic.
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