Gauge Theories: Quivers, Dessins and Calabi-Yau

admin   2017-08-18 14:12:33   323

报告题目Gauge Theories: Quivers, Dessins and Calabi-Yau 

报告时间:2017年8月24日星期四,下午3点 

报告地点:天津大学理学院32-140(新校区) 

报告人:何杨辉教授(City University, London&Nankai U.&U. of Oxford) 

报告摘要:We discuss how bipartite graphs on Riemann surfaces capture a wealth of information about the physics and the mathematics of large classes of gauge theories, especially those arising from string theory in the context of AdS/CFT.The dialogue between the physics, the underlying algebraic geometry of Calabi-Yau varieties, the combinatorics of dimers and toric varieties, as well as the number theory of dessin d'enfants becomes particularly intricate and fruitful under this light.