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Augustin Cauchy

1910 New Catholic Dictionary

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Dictionaries
1910 New Catholic Dictionary
• Cauchy, Augustin Louis
• Augustin Cauchy
Encyclopedias
1911 Encyclopedia Britannica
• Augustin Louis, Baron Cauchy
The Nuttall Encyclopedia
• Cauchy, Augustin Louis
The Catholic Encyclopedia
• Augustin-Louis Cauchy

(1789-1857) Catholic mathematician. Generally credited with founding the theory of finite order groups known as Cauchy's theorem. Introduced alternants in connection with determinants. Inaugurated the study of existence theorems. Made important contributions to the theories of the convergence and divergence of infinite series. Originated the theory of stress in elasticity. Gave equations of isotropic elasticity. Developed the wave theory in optics.