Cauchy (pronounced /ˈkoʊ.ʃi/ in US and UK English) is a surname of French origin used in mathematics to refer to Augustin-Louis Cauchy, a prominent 19th‑century French mathematician; it is also associated with the Cauchy distribution in probability theory. The term appears in mathematical theorems and functions named after him, and is often encountered in advanced analysis and calculus. As a proper noun, it is typically capitalized and used in academic contexts.
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