High Quality Content by WIKIPEDIA articles! In mathematics, the modern component-free approach to the theory of a tensor views a tensor as an abstract object, expressing some definite type of multi-linear concept. Their well-known properties can be derived from their definitions, as linear maps or more generally; and the rules for manipulations of tensors arise as an extension of linear algebra to multilinear algebra. In differential geometry an intrinsic geometric statement may be described by...
High Quality Content by WIKIPEDIA articles! In mathematics, the modern component-free approach to the theory of a tensor views a tensor as an abstract object, expressing some definite type of multi-linear concept. Their well-known properties can be derived from their definitions, as linear maps or more generally; and the rules for manipulations of tensors arise as an extension of linear algebra to multilinear algebra. In differential geometry an intrinsic geometric statement may be described by a tensor field on a manifold, and then doesn't need to make reference to coordinates at all. The same is true in general relativity, of tensor fields describing a physical property. The component-free approach is also used heavily in abstract algebra and homological algebra, where tensors arise naturally.
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Фридрих Львиный Зев - последний отпрыск легендарного рода шмелелетов, и только ему под силу разузнать, что затевается на диком Севере, - так утверждает королева. Вместе с Иеронимом Брумзелем, золотым шмелем, Фридрих отправляется в безумно опасное путешествие. И выясняет, что на Севере на самом-то деле все спокойно. Вот только королева уже запланировала войну, в результате которой она станет великим героем...
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