If $\mathbb{F}$ is a scalar field, what is meant by $\mathbb{F}^{2,2}$? Is this the same as $\mathbb{F}^2 \times \mathbb{F}^2$? Or is it $\mathbb{F}^2 \otimes \mathbb{F}^2$?
2026-03-24 21:59:46.1774389586
What is $\mathbb{F}^{2, 2}$?
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If $2$ is the set with two elements then $\Bbb F^2$ is the set of all function $2\to\Bbb F$ and $F^{2,2}$ could be the set of all functions $$2\to \Bbb F^2.$$