Geodesic
The dimension of $X^n$ where $X$ is a separable metric space
Fundamenta Mathematicae, Tome 150 (1996) no. 1, pp. 43-54.

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For a separable metric space X, we consider possibilities for the sequence $S(X) = {d_n: n ∈ ℕ}$ where $d_n = dim X^n$. In Section 1, a general method for producing examples is given which can be used to realize many of the possible sequences. For example, there is $X_n$ such that $S(X_n) = {n, n+1, n+2,...}$, $Y_n$, for n >1, such that $S(Y_n) = {n, n+1, n+2, n+2, n+2,...}$, and Z such that S(Z) = {4, 4, 6, 6, 7, 8, 9,...}. In Section 2, a subset X of $ℝ^2$ is shown to exist which satisfies $1 = dim X = dim X^2$ and $dim X^3 = 2$.
DOI : 10.4064/fm-150-1-43-54

John Kulesza 1

1 
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John Kulesza. The dimension of $X^n$ where $X$ is a separable metric space. Fundamenta Mathematicae, Tome 150 (1996) no. 1, pp. 43-54. doi : 10.4064/fm-150-1-43-54. http://geodesic.mathdoc.fr/articles/10.4064/fm-150-1-43-54/

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