报告题目:Discrepancies of perfect matchings in hypergraphs
报 告 人:鲁红亮 教授
工作单位:西安交通大学
报告时间:2025-10-31 10:00–12:00
报告地点:bw必威西汉姆联官网305
报告摘要:
In this paper, we determine the minimum degree threshold of perfect matchings with high discrepancy in $r$-edge-colored $k$-uniform hypergraphs for all $k\geq 3$ and $r\geq 2$, thereby completing the investigation into discrepancies of perfect matchings that has recently attracted significant attention. Our approach identifies this discrepancy threshold with a novel family of multicolored uniform hypergraphs and reveals new phenomena not covered in previous studies. In particular, our results address a question of Balogh, Treglown and Z\'arate-Guer\'en concerning 3-uniform hypergraphs.
报告人简介:
鲁红亮,2010年博士毕业于南开大学组合数学中心,现为西安交通大学数学与统计学院教授、博士生导师,教育部高层次人才青年项目,西安交通大学“青年拔尖人才支持计划”(A类),曾获得陕西省工业与应用数学学会首届“青年科技奖”,中国运筹学会图论与组合分会“青年论文奖”一等奖等奖项。受邀在第九届全国组合数学与图论大会上做一小时大会报告,先后主持三项国家自然科学基金项目,主要研究图与超图的匹配问题,解决了图与超图匹配领域的多个公开问题和猜想,在J. Combin. Theory Ser. A/B, European J. Combin.、J. Graph Theory、SIAM J. Discrete Math.等期刊发表科研论文近60篇。