block representation
121Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
122Symplectic matrix — In mathematics, a symplectic matrix is a 2n times; 2n matrix M (whose entries are typically either real or complex) satisfying the condition:M^T Omega M = Omega,.where MT denotes the transpose of M and Omega; is a fixed nonsingular, skew… …
123Virasoro algebra — In mathematics, the Virasoro algebra (named after the physicist Miguel Angel Virasoro) is a complex Lie algebra, given as a central extension of the complex polynomial vector fields on the circle, and is widely used in string theory.DefinitionThe …
124Elections in Japan — The Japanese political system has three types of elections: general elections to the House of Representatives held every four years (unless the lower house is dissolved earlier), elections to the House of Councillors held every three years to… …
125List of Statutory Instruments of the United Kingdom, 1987 — This is a complete list of all 1468 Statutory Instruments published in the United Kingdom in the year 1987. NOTOC 1 100* Parish and Community Meetings (Polls) Rules 1987 S.I. 1987/1 * National Health Service (Food Premises) (Scotland) Regulations …
126Padé table — In complex analysis, a Padé table is an array, possibly of infinite extent, of the rational Padé approximants : R m , n to a given complex formal power series. Certain sequences of approximants lying within a Padé table can often be shown to… …
127Bobby Sands — Infobox 1981 Hungerstriker irish= Roibeard Gearóid Ó Seachnasaigh name= Bobby Sands honorific suffix =MP paramilitaryorganisation= Provisional IRA dateofbirth= birth date|1954|3|9|mf=y placeofbirth= Abbots Cross, Newtownabbey, Northern Ireland… …
128Kenya — Kenyan, adj., n. /ken yeuh, keen /, n. 1. a republic in E Africa: member of the Commonwealth of Nations; formerly a British crown colony and protectorate. 28,803,085; 223,478 sq. mi. (578,808 sq. km). Cap.: Nairobi. 2. Mount, an extinct volcano… …
