to extend at infinity
61Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
62History of Grandi's series — Geometry and infinite zerosGrandiGuido Grandi (1671 – 1742) reportedly provided a simplistic account of the series in 1703. He noticed that inserting parentheses into nowrap|1=1 − 1 + 1 − 1 + · · · produced varying results: either:(1 1) + (1 1) + …
63Unicorn Table — En este artículo sobre música se detectaron los siguientes problemas: Necesita ser wikificado conforme a las convenciones de estilo de Wikipedia. Carece de fuentes o referencias que aparezcan en una fuente acreditada. Por …
64Deh Cho Bridge — Official name Deh Cho Bridge Carries 2 lanes of Highway 3 Crosses Mackenzie River …
65PlayStation 4 — В этой статье описывается запланированный, но ещё не выпущенный продукт. После выпуска продукта сведения, приведённые здесь, могут оказаться неверными, и содержание статьи может значительно измениться …
66Problem of Apollonius — In Euclidean plane geometry, Apollonius problem is to construct circles that are tangent to three given circles in a plane (Figure 1); two circles are tangent if they touch at a single point. Apollonius of Perga (ca. 262 BC ndash; ca. 190 BC)… …
67Perron–Frobenius theorem — In linear algebra, the Perron–Frobenius theorem, proved by Oskar Perron (1907) and Georg Frobenius (1912), asserts that a real square matrix with positive entries has a unique largest real eigenvalue and that the corresponding… …
68Classical modular curve — In number theory, the classical modular curve is an irreducible plane algebraic curve given by an equation Φn(x, y)=0, where for the j invariant j(τ), x=j(n τ), y=j(τ) is a point on the curve. The curve is sometimes called X0(n), though often… …
69Gullstrand-Painlevé coordinates — GullStrand Painlevé (GP) coordinates were proposed by Paul Painlevé [Paul Painlevé, “La mécanique classique et la théorie de la relativité”, C. R. Acad. Sci. (Paris) 173, 677–680 (1921). ] and Allvar Gullstrand [Allvar Gullstrand, “Allgemeine… …
70DEC Alpha — Alpha Designer Digital Equipment Corporation Bits 64 bit Introduced 1992 Design RISC Type Register Register Encoding Fixed …
