»ã±¨±êÌâ (Title)£ºCovering of groups, graphs and surfaces £¨Èº£¬Í¼¼°ÇúÃæµÄ¸²¸Ç£©
»ã±¨ÈË (Speaker)£ºÀî²Åºã ½ÌÊÚ£¨ÄÏ·½¿Æ¼¼´óѧ£©
»ã±¨¹¦·ò (Time)£º2023Äê11ÔÂ24ÈÕ(ÖÜÎå) 10:00
»ã±¨µØÖ· (Place)£ºÐ£±¾²¿C113
Ô¼ÇëÈË(Inviter)£ºÃÏãìÑó
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»ã±¨ÌáÒª£º I will discuss 2-generated groups acting on graphs, surfaces and maps, associated with their quotient and covering. Some interesting examples will be presented.