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dispersion


Usage

dispersion p
dispersion(p, q)


Parameter Type Description
p,q ${\mathbb{Q}}[n]$ Nonzero polynomials


Returns

dispersion(p,q) returns the largest $m \ge 0$ such that $\deg(\gcd(p(n),q(n+m)) > 0$, or $-1$ if that $\gcd(p(n),q(n+m)) = 1$ for all $m \ge 0$, while dispersion(p) returns dispersion(p, p).


See Also

spread



Manuel Bronstein 2002-09-04