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Affine space $\mathbb{A}^n(K)$ of dimension $n$ over a field $K$ is the set $K^n$.

If $P=(x_1,\dots,x_n)$ is a point in $\mathbb{A}^n(K)$, the $x_i$ are called the affine coordinates of $P$. Thus $$\mathbb{A}^n(K) = \{(x_1,\dots,x_n)\mid x_1,\dots,x_n\in K\}.$$

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• Review status: reviewed
• Last edited by John Cremona on 2020-10-12 03:59:42
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