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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Embedding an Affine Space in a Vector Space
verfasst von : Jean Gallier
Erschienen in: Geometric Methods and Applications
Verlag: Springer New York
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For all practical purposes, curves and surfaces live in affine spaces. A disadvantage of the affine world is that points and vectors live in disjoint universes. It is often more convenient, at least mathematically, to deal with linear objects (vector spaces, linear combinations, linear maps), rather than affine objects (affine spaces, affine combinations, affine maps). Actually, it would also be advantageous if we could manipulate points and vectors as if they lived in a common universe, using perhaps an extra bit of information to distinguish between them if necessary.