Rokhlin's signature theorems
英文摘要：
This note is written for a book dedicated to outstanding St-Petersburg mathematicians and timed to the ICM-2022 in St-Petersburg. In accordance with the plan of ICM-organizers, we try to tell about one of the most prominent Rokhlin's achievements in an accessible form and respecting the allowed volume.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
