Keywords

#root_of_unity

Root of unity

Number that has an integer power equal to 1

In mathematics, a root of unity, occasionally called a de Moivre number, is any complex number that yields 1 when raised to some positive integer power n. Roots of unity are used in many branches of mathematics, and are especially important in number theory, the theory of group characters, and the discrete Fourier transform.

Sat 14th

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Root of unity Principal root of unity Root of unity modulo n Primitive root Primitive root modulo n Finite field Quantum group Imaginary number Discrete Fourier transform over a ring Cyclotomic polynomial
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