Theorem of the cube Theorem of the cube In mathematics, the theorem of the cube is a condition for a line bundle over a product of three complete varieties to be trivial. It was a principle discovered, in the context of linear equivalence, by the Italian school of algebraic geometry. The final version of the theorem of the cube was first published by , who credited it to André Weil. A discussion of the history has been given by . A treatment by means of sheaf cohomology, and description in terms of the Picard functor, was given by . The theorem states that for
The Root Glass Company The Root Glass Company The Root Glass Company originated as Root Glass Works in Vigo County, Indiana. Businessman and Pennsylvania native Chapman J. Root (November 22, 1864 - November 20, 1945) opened the original glass company on May 27, 1901, at Third and Voorhees Streets a year after he moved to the city of Terre Haute, Indiana. By 1904 the company was manufacturing beverage bottles for Coca-Cola as well as several other beverage companies in the area. Between 1905 and 1912 the Root Glass Company workforce increased from 600 to 825 employees. In 1915, Root's company entered a Coca-Cola contest