报 告 人:罗荣 教授(West Virginia University)
报告题目:Edge coloring of graphs on surfaces
报告时间:2018年5月11日(星期五)上午9:00
报告地点:静远楼1506学术报告厅
报告人简介:罗荣,美国西弗吉尼亚大学(West Virginia University,USA)数学系教授。主要研究图的染色理论和流的理论,是国际知名的染色问题专家。发表50余篇论文,多数是发表在图论顶尖杂志上,如Journal of Cominatorial Theory Ser. B, Journal of Graph Theory, SIAM Journal on Discrete Math, European J. of Combinatorics.
报告摘要: Vizing’s planar graph conjecture says that every class two planar has maximum degree at most 5. The conjecture is still open. In this talk, I will discuss edge coloring of graphs on general surfaces. Some new recent results will be introduced.