Let $A$ be a random matrix of size $m\times m$ with integer entries $-n\ldots n$. Each value should have the same probability. What is the expectation of the random variable
$$X := |\det A|$$
Can the variance of $X$ also be calculated ?
2026-04-02 05:01:56.1775106116
Expectation of the absolut value of the determinant of a random matrix
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