cotangent space
[koʊˈtændʒənt speɪs]
nounpl: cotangent spaces
espaço cotangente
1. In differential geometry, the dual vector space of the tangent space at a point on a manifold, consisting of linear functionals (covectors) that map tangent vectors to real numbers
The cotangent space at a point on a smooth manifold is the vector space dual to the tangent space at that point.
O espaço cotangente em um ponto de uma variedade suave é o espaço vetorial dual do espaço tangente naquele ponto.
2. A mathematical structure used in differential geometry and tensor analysis to describe one-forms and differential forms on manifolds
Differential one-forms are sections of the cotangent space bundle over a manifold.
As formas diferenciais de um grau são seções do fibrado do espaço cotangente sobre uma variedade.
The term 'cotangent space' is highly specialized academic terminology used primarily in advanced mathematics, differential geometry, and theoretical physics. It appears in university curricula at the graduate level in both English-speaking countries and Brazil/Portugal. There is no colloquial or slang equivalent. The concept is essential in modern differential geometry, relativity theory, and advanced calculus courses taught at leading universities like USP (São Paulo), UFRJ (Rio de Janeiro), and major US institutions.
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