In mathematics, the nth cyclotomic polynomial, for any positive integer n, is the unique irreducible polynomial with integer coefficients that is a divisor...
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Root of unity (redirect from Cyclotomics)
geometric fact accounts for the term "cyclotomic" in such phrases as cyclotomic field and cyclotomic polynomial; it is from the Greek roots "cyclo" (circle)...
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of certain integer values of the cyclotomic polynomials. Because cyclotomic polynomials are irreducible polynomials over the integers, such a factorization...
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Eisenstein's criterion (redirect from Eisenstein polynomial)
important class of polynomials whose irreducibility can be established using Eisenstein's criterion is that of the cyclotomic polynomials for prime numbers...
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unity. Then the minimal polynomial of ζ n {\displaystyle \zeta _{n}} is given by the n {\displaystyle n} -th cyclotomic polynomial Φ n ( x ) {\displaystyle...
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irreducible cyclotomic polynomials", Electronics and Communications in Japan, 74 (4): 106–113, doi:10.1002/ecjc.4430740412, MR 1136200. all one polynomial at PlanetMath...
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denominator, 1 − z j, which is the product of cyclotomic polynomials. The left hand side of the cyclotomic identity is the generating function for the free...
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by ζ n {\displaystyle \zeta _{n}} . The n {\displaystyle n} th cyclotomic polynomial Φ n ( x ) = ∏ gcd ( k , n ) = 1 1 ≤ k ≤ n ( x − e 2 π i k / n )...
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of palindromic polynomials include cyclotomic polynomials and Eulerian polynomials. If a is a root of a polynomial that is either palindromic or antipalindromic...
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Finite field (section Polynomial factorization)
{\displaystyle n} th cyclotomic polynomial are distinct in every field of characteristic p {\displaystyle p} , as this polynomial is a divisor of X n −...
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number i is X 2 + 1 {\displaystyle X^{2}+1} . The cyclotomic polynomials are the minimal polynomials of the roots of unity. In linear algebra, the n×n...
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All-one polynomials Abel polynomials Bell polynomials Bernoulli polynomials Cyclotomic polynomials Dickson polynomials Fibonacci polynomials Lagrange...
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Galois group (section Cyclotomic extensions)
class of examples comes from the splitting fields of cyclotomic polynomials. These are polynomials Φ n {\displaystyle \Phi _{n}} defined as Φ n ( x ) =...
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Algebraic equation (redirect from Polynomial equation)
those associated with the cyclotomic polynomials of degrees 5 and 17. Charles Hermite, on the other hand, showed that polynomials of degree 5 are solvable...
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Bunyakovsky conjecture (section Cyclotomic polynomials)
evidence it is not known that this sequence extends indefinitely. The cyclotomic polynomials Φ k ( x ) {\displaystyle \Phi _{k}(x)} for k = 1 , 2 , 3 , … {\displaystyle...
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not divide n, and Q n ( x ) {\displaystyle Q_{n}(x)} is the nth cyclotomic polynomial. For example, a 6 − b 6 = Q ¯ 1 ( a , b ) Q ¯ 2 ( a , b ) Q ¯ 3...
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function φ(n) in number theory; also called Euler's phi function. The cyclotomic polynomial functions Φn(x) of algebra. The number of electrical phases in a...
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mathematician and educator. Her research focused on the area of cyclotomic polynomials. Beiter was born in Buffalo to Kathryn (née Kiel) and Edward Frederick...
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Abel–Ruffini theorem (category Theorems about polynomials)
{\displaystyle x^{n}-1=0} for any n, and the equations defined by cyclotomic polynomials, all of whose solutions can be expressed in radicals. Abel's proof...
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2, the polynomial Φ(x) will be the cyclotomic polynomial xn + 1. Other choices of n are possible but the corresponding cyclotomic polynomials are more...
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prime Emma Lehmer, "On the magnitude of the coefficients of the cyclotomic polynomial", Bulletin of the American Mathematical Society 42 (1936), no. 6...
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Salem number (redirect from Lehmer's polynomial)
measure of an irreducible non-cyclotomic polynomial. Lehmer's polynomial is a factor of the shorter degree-12 polynomial, Q ( x ) = x 12 − x 7 − x 6 −...
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Brahmagupta polynomials Caloric polynomial Charlier polynomials Chebyshev polynomials Chihara–Ismail polynomials Cyclotomic polynomials Dickson polynomial Ehrhart...
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AKS primality test (redirect from Cyclotomic AKS test)
primality test (also known as Agrawal–Kayal–Saxena primality test and cyclotomic AKS test) is a deterministic primality-proving algorithm created and published...
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divisors of n and Φ d ( x ) {\displaystyle \Phi _{d}(x)} is the d-th cyclotomic polynomial, and x n − 1 x − 1 = ∑ i = 0 n − 1 x i = 1 + x + ⋯ + x n − 1 {\displaystyle...
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the fourth cyclotomic polynomial. As with the cyclotomic polynomials more generally, Φ 4 {\displaystyle \Phi _{4}} is an irreducible polynomial, so this...
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Equivalently, a regular n-gon is constructible if any root of the nth cyclotomic polynomial is constructible. Restating the Gauss–Wantzel theorem: A regular...
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identity for polynomials. x n − 1 = ∏ d | n Φ d ( x ) {\displaystyle x^{n}-1=\prod _{d|n}\Phi _{d}(x)} , a product of cyclotomic polynomials. Factoring...
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{Q} )} . The minimal polynomials in Q[x] of roots of unity are the cyclotomic polynomials. The roots of the minimal polynomial of 2cos(2π/n) are twice...
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irreducibility criterion. Finally, it can be used to show that cyclotomic polynomials (unitary units with integer coefficients) are irreducible. Gauss's...
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