1992 | OriginalPaper | Buchkapitel
The Dimension of a Variety
verfasst von : David Cox, John Little, Donal O’Shea
Erschienen in: Ideals, Varieties, and Algorithms
Verlag: Springer New York
Enthalten in: Professional Book Archive
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The most important invariant of a linear subspace of affine space is its dimension. For affine varieties, we have seen numerous examples which have a clearly defined dimension, at least from a naive point of view. In this chapter, we will carefully define the dimension of any affine or projective variety and show how to compute it. We will also show that this notion accords well with what we would expect intuitively. In keeping with our general philosophy, we consider the computational side of dimension theory right from the outset.