We study the definition of bialgebra and prove the sufficient conditions about a bialgebra is commutative and cocommutative.
从双代数的定义入手，给出了双代数成为交换和余交换双代数的两个充分条件。
We study the definition of bialgebra and prove the sufficient conditions about a bialgebra is commutative and cocommutative.
从双代数的定义入手，给出了双代数成为交换和余交换双代数的两个充分条件。
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