Finite Modules over Bbb Z[t,t⁻¹]
classification
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math.AT
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lambdamodulesalexanderclassificationclassifyconsequentlyfinitelaurent
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Let $\Lambda=\Bbb Z[t,t^{-1}]$ be the ring of Laurent polynomials over $\Bbb Z$. We classify all $\Lambda$-modules $M$ with $|M|=p^n$, where $p$ is a primes and $n\le 4$. Consequently, we have a classification of Alexander quandles of order $p^n$ for $n\le 4$.
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