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angle

(Encyclopedia)angle, in mathematics, figure formed by the intersection of two straight lines; the lines are called the sides of the angle and their point of intersection the vertex of the angle. Angles are commonly...

Calderón, Alberto

(Encyclopedia)Calderón, Alberto käldārōnˈ [key], 1920–98, Argentine mathematician, b. Mendoza, Argentina, grad. Univ. of Buenos Aires (B.S. 1947), Univ. of Chicago (Ph.D. 1950). He is known for his contribut...

Shushkevich, Stanislav Stanislavovich

(Encyclopedia)Shushkevich, Stanislav Stanislavovich, Belarusian Stanislau Stanislavavich Shushkevich, 1934–, Belarusian political leader and scientist, first head of state of independent Belarus after the dissolu...

Condorcet, Marie Jean Antoine Nicolas Caritat, marquis de

(Encyclopedia)Condorcet, Marie Jean Antoine Nicolas Caritat, marquis de märēˈ zhäN äNtwänˈ nēkôläˈ kärētäˈ märkēˈ də kôNdôrsāˈ [key], 1743–94, French mathematician, philosopher, and politic...

Penrose, Sir Roger

(Encyclopedia)Penrose, Sir Roger, 1931–, British mathematical physicist, Ph.D. Cambridge, 1958. He taught and conducted research at a number of British and American colleges and universities before becoming a pro...

sequence

(Encyclopedia)sequence, in mathematics, ordered set of mathematical quantities called terms. A sequence is said to be known if a formula can be given for any particular term using the preceding terms or using its p...

Copernicus, Nicholas

(Encyclopedia)Copernicus, Nicholas kōpûrˈnĭkəs [key], Pol. Mikotaj Kopérnik, 1473–1543, Polish astronomer. After studying astronomy at the Univ. of Kraków, he spent a number of years in Italy studying vari...

analysis

(Encyclopedia)analysis, branch of mathematics that utilizes the concepts and methods of the calculus. It includes not only basic calculus, but also advanced calculus, in which such underlying concepts as that of a ...

Varèse, Edgard

(Encyclopedia)Varèse, Edgard värĕzˈ [key], 1883–1965, French-American composer. In Paris he first studied mathematics and science but became more interested in music. He then studied composition with Roussel ...

curve

(Encyclopedia)curve, in mathematics, a line no part of which is straight; more generally, it is considered to be any one-dimensional collection of points, thus including the straight line as a special kind of curve...