Providing a connection on a differentiable manifold is, in a sense, the introduction of parallelism. Therefore, although it is a little rough, it can be thought of as being possible to translate the tangent vector at one of two very close points p and p + dp to the other by the connection. Similarly, for point p and point q connected by a differentiable curve c , it is possible to translate the tangent vector of point p to that of point q by moving from p to q little by little. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
微分可能多様体上で接続を与えるということは,ある意味での,平行性を導入することである。したがって,やや粗雑ではあるが,ごく近い2点pとp+dpとに対しては,接続によってその一方における接ベクトルを他方へ平行移動することが可能であると考えてよい。そこで,点pと微分可能曲線cで結ばれる点qに対しても,pからqまでを少しずつ移動することによって,点pの接ベクトルを点qのそれにまで平行移動させることが可能になる。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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