deaths
Giuseppe Vitali, Italian mathematician (born 1875)
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Giuseppe Vitali
Italian mathematician (1875–1932)
Giuseppe Vitali was an Italian mathematician who worked in several branches of mathematical analysis. He gives his name to several entities in mathematics, most notably the Vitali set with which he was the first to give an example of a non-measurable subset of real numbers.Source: Wikipedia (CC BY-SA)
February 29
Day of the year
February 29 is a leap day —an intercalary date added periodically to create leap years in the Julian and Gregorian calendars. It is the 60th day of a leap year in both Julian and Gregorian calendars, and 306 days remain until the end of the leap year. It is the last day of…Source: Wikipedia (CC BY-SA)