I was reading the paper "Cutting Hyperplanes for Divide-and-Conquer" by B. Chazelle and in the introduction I came across the following: "Let $H$ be a set of $n$ hyperplanes in $E^d$." What does $E^d$ mean? Does it just serve as a placeholder for the reals, or complex numbers or something else?
2026-03-25 19:00:06.1774465206
What does $E^d$ mean?
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As Pedro and Andre noted, $d$-dimensional Euclidean space makes sense in context. After reading more of the paper, I think that is correct. Also, I found the same notation on the Wikipedia page for Euclidean space.