Freiman homomorphism
= Freiman homomorphism
{c}
{wiki}
A Freiman homomorphism preserves additive quadruples: whenever $x_1+x_2=x_3+x_4$ in its domain, its values satisfy $\phi(x_1)+\phi(x_2)=\phi(x_3)+\phi(x_4)$.
= Freiman homomorphism
{c}
{wiki}
A Freiman homomorphism preserves additive quadruples: whenever $x_1+x_2=x_3+x_4$ in its domain, its values satisfy $\phi(x_1)+\phi(x_2)=\phi(x_3)+\phi(x_4)$.