category of motives

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• Motives for the September 11 attacks — The 9/11 attacks have been described as a global symbolic event [1] The September 11th attacks were an organized terrorist act carried out by 19 hijackers, and organized by numerous members of al …   Wikipedia

• Tannakian category — In mathematics, a tannakian category is a particular kind of monoidal category C , equipped with some extra structure relative to a given field K . The role of such categories C is to approximate, in some sense, the category of linear… …   Wikipedia

• Timeline of category theory and related mathematics — This is a timeline of category theory and related mathematics. By related mathematics is meant first hand * Homological algebra * Homotopical algebra * Topology using categories, especially algebraic topology * Categorical logic * Foundations of… …   Wikipedia

• Motive (algebraic geometry) — For other uses, see Motive (disambiguation). In algebraic geometry, a motive (or sometimes motif, following French usage) denotes some essential part of an algebraic variety . To date, pure motives have been defined, while conjectural mixed… …   Wikipedia

• Motivic cohomology — is a cohomological theory in mathematics, the existence of which was first conjectured by Alexander Grothendieck during the 1960s. At that time, it was conceived as a theory constructed on the basis of the so called standard conjectures on… …   Wikipedia

• Unifying theories in mathematics — There have been several attempts in history to reach a unified theory of mathematics. Some of the greatest mathematicians have expressed views that the whole subject should be fitted into one theory.Historical perspectiveThe process of… …   Wikipedia

• MUSIC — This article is arranged according to the following outline: introduction written sources of direct and circumstantial evidence the material relics and iconography notated sources oral tradition archives and important collections of jewish music… …   Encyclopedia of Judaism

• Ghost in the machine — This article is about a philosophical critique. For other uses, see Ghost in the machine (disambiguation). The ghost in the machine is the British philosopher Gilbert Ryle s description of René Descartes mind body dualism. The phrase was… …   Wikipedia

• Dilthey, Wilhelm — Dilthey Michael Lessnoff INTRODUCTION Wilhelm Dilthey was born in 1833 near Wiesbaden, and thus lived through the period of Bismarck’s creation of a unified German Empire by ‘blood and iron’. These turbulent events, however, scarcely perturbed… …   History of philosophy

• concerto — /keuhn cher toh/; It. /kawn cherdd taw/, n., pl. concertos, concerti / tee/. Music. a composition for one or more principal instruments, with orchestral accompaniment, now usually in symphonic form. [1720 30; < It, deriv. of concertare; see… …   Universalium

• ancient Greek civilization — ▪ historical region, Eurasia Introduction       the period following Mycenaean civilization, which ended in about 1200 BC, to the death of Alexander the Great, in 323 BC. It was a period of political, philosophical, artistic, and scientific… …   Universalium