definite metric
91Muammar Gaddafi — Gaddafi redirects here. For other people named Gaddafi, see Gaddafi (name). Muammar Gaddafi مُعَمَّر القَذَّافِي Gaddafi at an African Union summit in 2009. Brotherly Leader and Guide of …
92Davidon–Fletcher–Powell formula — The Davidon–Fletcher–Powell formula (or DFP; named after William C. Davidon, Roger Fletcher, and Michael J. D. Powell) finds the solution to the secant equation that is closest to the current estimate and satisfies the curvature condition (see… …
93Outline of algebraic structures — In universal algebra, a branch of pure mathematics, an algebraic structure is a variety or quasivariety. Abstract algebra is primarily the study of algebraic structures and their properties. Some axiomatic formal systems that are neither… …
94North Korea — Democratic People s Republic of Korea 조선민주주의인민공화국 朝鮮民主主義人民共和國 Chosŏn Minjujuŭi Inmin Konghwaguk[1] …
95Time — This article is about the measurement. For the magazine, see Time (magazine). For other uses, see Time (disambiguation). The flow of sand in an hourglass can be used to keep track of elapsed time. It also concretely represents the present as… …
96Unitary group — In mathematics, the unitary group of degree n , denoted U( n ), is the group of n times; n unitary matrices, with the group operation that of matrix multiplication. The unitary group is a subgroup of the general linear group GL( n , C).In the… …
97Klein–Gordon equation — Quantum mechanics Uncertainty principle …
98Hodge dual — In mathematics, the Hodge star operator or Hodge dual is a significant linear map introduced in general by W. V. D. Hodge. It is defined on the exterior algebra of a finite dimensional oriented inner product space. Contents 1 Dimensions and… …
99Rubén Darío — Infobox Writer name = Félix Rubén García Sarmiento imagesize = 150px caption = Rubén Darío has been praised as The prince of Castilian letters and Father of Modernism pseudonym = Rubén Darío birthdate = January 18, 1867 birthplace = Metapa, today …
100Almost complex manifold — In mathematics, an almost complex manifold is a smooth manifold equipped with smooth linear complex structure on each tangent space. The existence of this structure is a necessary, but not sufficient, condition for a manifold to be a complex… …
