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Pappus

(Encyclopedia)Pappus păpˈəs [key], fl. c.300, Greek mathematician of Alexandria. He recorded and enlarged on the results of his predecessors, including Euclid and Apollonius of Perga, in his Mathematical Collect...

Cecco d'Ascoli

(Encyclopedia)Cecco d'Ascoli chĕkˈkō däsˈkōlē [key], 1269?–1327, Italian astrologer, mathematician, poet, and physician, whose real name was Francesco degli Stabili, b. Ascoli. A teacher of astrology at se...

K'ang-hsi

(Encyclopedia)K'ang-hsi käng shē [key], 1654–1722, 2d emperor of the Ch'ing dynasty of China (1661–1722). He extended Manchu control and promoted learning in the arts and sciences. K'ang-hsi conquered the feu...

Peralta Barnuevo, Pedro de

(Encyclopedia)Peralta Barnuevo, Pedro de pāˈᵺrō ᵺā pārälˈtä bärnwāˈvō [key], 1664–1743, Peruvian writer. Although his major literary interests were drama and poetry, he also wrote on astronomy, ma...

Open University

(Encyclopedia)Open University, headquartered at Milton Keynes, England; founded 1969 as the Univ. of the Air. In 1971 a distance learning program was begun that now consists of correspondence courses integrated wit...

De Morgan, Augustus

(Encyclopedia)De Morgan, Augustus də môrˈgən [key], 1806–71, English mathematician and logician, b. India. A noted teacher, he was professor of mathematics (1828–31, 1836–66) at University College (now pa...

Mayer, Johann Tobias

(Encyclopedia)Mayer, Johann Tobias yōˈhän tōbēˈäs mīˈər [key], 1723–62, German mathematician and astronomer. In 1751 he became professor of economics and mathematics at the Univ. of Göttingen, and in 1...

Young, Charles Augustus

(Encyclopedia)Young, Charles Augustus, 1834–1908, American astronomer, b. Hanover, N.H., grad. Dartmouth, 1853. He discovered the reversing layer of the solar atmosphere and proved the gaseous nature of the sun's...

group

(Encyclopedia)group, in mathematics, system consisting of a set of elements and a binary operation a∘b defined for combining two elements such that the following requirements are satisfied: (1) The set is closed ...

Hebrew University

(Encyclopedia)Hebrew University of Jerusalem, at Mt. Scopus, Givat Ram, Ein Karem, and Rehovot, Israel; coeducational. First proposed in 1882, formally opened 1925. It is the world's largest Jewish university and i...