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Arthur Sard
American mathematician (1909-1980) · United States · On the map · Academics · Died at 71
Arthur Sard was an American mathematician, famous for his work in differential topology and in spline interpolation. His fame stems primarily from Sard's theorem, which says that the set of critical values of a differential function which has sufficiently many derivatives has measure zero.
Arthur Sard is read about 4 times a day, in 7 languages.
A typical day, 30 days to 12 June 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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Country
United States
Category
Academics
Type
Academic
Status
Deceased
Dates
Lived 1909 to 1980 · aged 71
