The physicists say that I am a mathematician, and the mathematicians say that I am a physicist.

物理学家们说我是数学家，数学家们又把我归为物理工作者。

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As mathematicians say, “Every simply connected closed 3-manifold is homeomorphic to a 3-sphere.”

用数学语言表达就是“每个单连通3重（3-manifold）封闭体与一个三维球体同胚（homeomorphic）。”

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As mathematicians say, "Every simply connected closed 3-manifold is homeomorphic to a 3-sphere."

用数学语言表达就是“每个单连通3重（3-manifold）封闭体与一个三维球体同胚（homeomorphic）。”

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There are, say mathematicians, 43 quintillion possible combinations.

WSJ: One Rubik's Cube, Many Knockoffs, Quintillions of Possibilities

Associates say Tao has an abiding belief that mathematicians need to work in a way that connects them with the general public.

FORBES: How To Think Like A Mathematician

The games developers say that they are struggling to find in the UK the kind of high-powered mathematicians and computer scientists that they need to build increasingly sophisticated products.

BBC: Skills shortage hits games firms