Template:Selected anniversaries/September 21: Difference between revisions

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||Joseph L. Walsh (b. September 21, 1895) was an American mathematician who worked mainly in the field of analysis. The Walsh function and the Walsh–Hadamard code are named after him. The Grace–Walsh–Szegő coincidence theorem is important in the study of the location of the zeros of multivariate polynomials. Pic.
||Joseph L. Walsh (b. September 21, 1895) was an American mathematician who worked mainly in the field of analysis. The Walsh function and the Walsh–Hadamard code are named after him. The Grace–Walsh–Szegő coincidence theorem is important in the study of the location of the zeros of multivariate polynomials. Pic.
||Juliusz Paweł Schauder (b. 21 September 1899) was a mathematician, known for his work in functional analysis, partial differential equations and mathematical physics. Pic.


||1903 – Preston Tucker, American engineer and businessman, designed the Tucker Sedan (d. 1956)
||1903 – Preston Tucker, American engineer and businessman, designed the Tucker Sedan (d. 1956)

Revision as of 17:30, 9 April 2018