报告题目: Eulerian polynomials and graph labelings
报 告 人:杨立波 教授(南开大学)
报告时间:2024年9月25日(周三)14:30-15:30
报告地点:腾讯视频会议(线上) 会议 ID:447 122 180
校内联系人: 陈曦 副教授 联系方式:84708351-8604
报告摘要:Eulerian polynomials have been
introduced by Euler himself back in 1755, and they have been since thoroughly studied, extended, and applied. In the study of a symmetry property of the Ehresmann-Bruhat order on the symmetric group, Lascoux introduced certain generalization of Eulerian polynomials. Most graph labeling methods trace their origin to one introduced by Rosa in 1967, or one given by Graham and Sloane in 1980. In this talk I will discuss some open problems related to these two families of classcial objects.
报告人简介:杨立波,南开大学教授,博士生导师,国家级高层次人才。1999年获郑州大学学士学位,2004年获南开大学博士学位。主要从事计数组合学和代数组合学方面的研究,相关成果发表在《Trans. Amer. Math. Soc.》、《J. Combinatorial Theory Series, A》等数学期刊。已主持和完成多项国家自然科学基金项目,并参与和完成973项目子课题和国家自然科学基金重点项目。