Last Updated
：2025/12/04
root of unity
Noun
Japanese Meaning
（数学・数論）特に複素数の領域において、ある正整数 n に対して xⁿ = 1 となる要素、すなわち単位根と呼ばれる。
（ plural ）
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(number theory) An element of a given field (especially, a complex number) x such that for some positive integer n, xⁿ = 1.
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root of unity
To understand cyclotomic polynomials, one often studies how a primitive root of unity behaves under Galois automorphisms.
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To understand cyclotomic polynomials, one often studies how a primitive root of unity behaves under Galois automorphisms.
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