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differential geometry

(Encyclopedia)differential geometry, branch of geometry in which the concepts of the calculus are applied to curves, surfaces, and other geometric entities. The approach in classical differential geometry involves ...

Nabokov, Vladimir

(Encyclopedia)Nabokov, Vladimir vlädēˈmĭr näbôˈkŏf [key], 1899–1977, Russian-American author, b. St. Petersburg, Russia. He emigrated to England after the Russian Revolution of 1917 and graduated from Cam...

Kennedy, Robert Francis

(Encyclopedia)Kennedy, Robert Francis, 1925–68, American politician, U.S. Attorney General (1961–64), b. Brookline, Mass., younger brother of President John F. Kennedy and son of Joseph P. Kennedy. A graduate o...

Vienna, city and province, Austria

(Encyclopedia)Vienna vēĕnˈə [key], Ger. Wien, city and province (1991 pop. 1,539,848), 160 sq mi (414 sq km), capital and largest city of Austria and administrative seat of Lower Austria, NE Austria, on the Dan...

Fronde

(Encyclopedia)Fronde frôNd [key], 1648–53, series of outbreaks during the minority of King Louis XIV, caused by the efforts of the Parlement of Paris (the chief judiciary body) to limit the growing authority of ...

Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel (table)

(Encyclopedia)Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel ...

Romanian literature

(Encyclopedia)Romanian literature, the literature of Romania. Until the 16th cent. most writing by Romanians was in Slavonic. In 1541 a catechism in Romanian was issued at Sibiu, and from 1560 liturgical works were...

constellation, in astronomy

(Encyclopedia)CE5 Constellations: Southern sky CE5 Constellations: Southern sky CE5 Constellations: Southern sky constellation, in common usage, group of stars that appear to form a configuration in the...

Charles VI, Holy Roman emperor

(Encyclopedia)Charles VI, 1685–1740, Holy Roman emperor (1711–40), king of Bohemia (1711–40) and, as Charles III, king of Hungary (1712–40); brother and successor of Holy Roman Emperor Joseph I. Charles was...

Anthropocene

(Encyclopedia)Anthropocene Epoch, an unofficial term used by scientists to describe a period of time—up to the present—in which humanity has impacted the planet on a global scale. The phrase was fir...