数学物理学报 ›› 2005, Vol. 25 ›› Issue (2): 201-212.

• 论文 • 上一篇    下一篇

带弱内射的Hopf代数结构

乐珏,张勇   

  1. 扬州大学数学科学学院
  • 出版日期:2005-04-25 发布日期:2005-04-25
  • 基金资助:

    国家自然科学基金(10471121)资助

The Structure of Hopf Algebras with a Weak Injection

 LE Jue, ZHANG Yong   

  • Online:2005-04-25 Published:2005-04-25
  • Supported by:

    国家自然科学基金(10471121)资助

摘要:

利用已知Hopf代数构造新的Hopf代数是Hopf代数理论中最基本的问题之一.该文给出了Smash积A#H为Hopf代数,H是A#H的商Hopf代数, 且具有弱内射H→A#H的充分必要条件.易证,此种构造推广了Radford和Majid等人所构造的双积和双交叉积等结构.

关键词: Hopf代数,交叉积,Smash积, 弱内射

Abstract:

Constructing a new Hopf algebra with known Hopf  algebras is one  of the most important problems in studying Hopf algebra. In this paper,  the authors derive necessary and sufficient conditions for the smash product  algebra A#H to be a Hopf algebra with a Hopf quotient algebra H
 and a weak injection from H to A#H. It is easy to find that this  structure includes the Radford’s biproduct and Majid’s bicrossed product  as special cases.

Key words: Hopf algebra,Crossed product,Smash product, Weak injection

中图分类号: 

  • 16W30