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单词 Trivial vector bundle
释义

Trivial vector bundle

英语百科

Vector bundle

The Möbius strip is a line bundle over the 1-sphere S1. Locally around every point in S1, it looks like U × R (where U is an open arc including the point), but the total bundle is different from S1 × R (which is a cylinder instead).
The map associating a normal to each point on a surface can be thought of as a section. The surface is the space X, and at each point x there is a vector in the vector space attached at x.

In mathematics, a vector bundle is a topological construction that makes precise the idea of a family of vector spaces parameterized by another space X (for example X could be a topological space, a manifold, or an algebraic variety): to every point x of the space X we associate (or "attach") a vector space V(x) in such a way that these vector spaces fit together to form another space of the same kind as X (e.g. a topological space, manifold, or algebraic variety), which is then called a vector bundle over X.

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更新时间:2025/6/16 22:33:19