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Does two's complement arithmetic produce a field isomorphic to $GF(2^{n}$)?

From what I understand, we have these two isomorphisms: $(TC, +)$ is isomorphic to the cyclic group $\mathbb{Z}/2^n\mathbb{Z}$. $(TC, *)$ is isomorphic to the multiplicative group of polynomials. If ...
Leo Heinsaar's user avatar