报 告 人：丁明建 博士（大连理工大学）
报告题目：\gamma-positivity and the alternatingly increasing property of polynomials
报告时间：2021年9月9日（周四）下午14:30-16:30, 9月10日上午9:00-11:00
报告地点：静远楼1617
报告摘要：
It is often a difficult problem to show unimodality of combinatorial sequences. The $\gamma$-positivity and the alternatingly increasing property of polynomials implies unimodality. In this talk，we will introduce some results for $\gamma$-positivity and alternatingly increasing property.