Emmanuel LECOUTURIER——Bianchi Modular symbols

发布时间:2021-12-22浏览次数:1049

题目:Bianchi Modular symbols

 

报告人:Emmanuel LECOUTURIER (YMSC, Tsinghua U.)


时间:2-5pm, December 28, 2021 (12月28日, 星期二, 下午2点到5点)


地点:Room 201, Mingde Building(明德楼B区201报告厅)


摘要:We will review the theory by Cremona and his school on describing the modular symbols of Bianchi modular 3-folds associated to an imaginary quadratic field K. The problem is that their approach heavily depends on each particular K, and it seems that their techniques cannot be extended to give a general answer. In this talk, we follow an ideal of Loic Merel to describe modular symbols in general. We also motivate this question by considering a generalization of a conjecture of Romyar Sharifi to the Bianchi setting (this is work in progress with Jun Wang).



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