Weak bialgebras and Hopf algebras are generalizations of ordinary bial-gebras and Hopf algebras in the following sense: the defining axioms are the same, but the multiplicativity of the counit and comultiplicativity of the unit, are replaced by weaker axioms.
弱双代数和弱Hopf代数是通常的双代数和Hopf代数的推广:定义的公理不变,但是余单位的乘法和单位的余乘法变得更弱一些了。
参考来源 - 运用上环理论来解释弱Hopf代数·2,447,543篇论文数据，部分数据来源于NoteExpress
本软件包含了世界170余个国家的纸币票样和货币单位，包括纸币正反面图片和国家名称、首都名称的中英文对照。
This software provides more than 170 currency unit and sample notes, which including the front and back side of each note, and also the country and capital name both in English and Chinese.
辖区内有社区居委会21个，驻地单位130余个。
Area residents have a community of 21, more than 130 resident units.
主办单位中国美术家协会将积极、主动组织并发动旗下5000余会员出席博览会。
The sponsor - China Artist Association will take active part in organizing all members (more than 5000) to take part in the Fair.
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