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知乎大巴扎
28 Apr 2023, 02:21
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2023阿里数赛开始报名,张益唐鼓励年轻人「要敢于挑战数学史上的难题」,你怎么看? - 知乎
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原文
2023阿里数赛开始报名,张益唐鼓励年轻人「要敢于挑战数学史上的难题」,你怎么看? - 知乎
挑战数学史上的难题当然是非常酷的事情! 就今天吧,对角Ramsey数 R(t,t) 的上界被改进了,这是从1935年Erdos-Szekeres证明 R(t,t)\le 4^t,人类第一次改进这个“4”。
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