报告题目：The Hopf algebra of weak quasi-symmetric functions
报告人：喻厚义副教授
时间：2019年6月21日下午4:00-5:00
地点：永利体育官网登录3401
报告内容：
In this talk we will introduce the Hopf algebra of quasi-symmetric functions with semigroup exponents generalizing the Hopf algebra of quasi-symmetric functions. As a special case we obtain the Hopf algebra of weak quasi-symmetric functions, which addresses a question proposed by G.-C. Rota relating symmetric type functions and Rota–Baxter algebras. This is joint work with Li Guo, Jean-Yves Thibon, and Jianqiang Zhao.
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