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10 hours ago · To cite a well known example, Hermann Weyl famously declared in Das Kontinuum (Weyl 1918) that analysis was built on sand, and even though it could be rebuilt on “pillars of enduring strength” (Weyl 1918, 1994, p. 1), not all of mathematics would survive this reconstruction.
10 hours ago · 及至后来外尔(Hermann Weyl，1885—1955)和维格纳(Eugene Wigner，1902—1995)加入了量子力学表示的努力，所使用的工具是群论。 群表示所使用的工具是矩阵。 未来的关于强相互作用的盖尔曼(Murray Gell-Mann，1929—2019)的规范场论，其关键是Gell-Mann矩阵。
