Research proof index

The Semiring morphism that maps m-variate polynomials onto univariate polynomials by evaluating them at (X^(2⁰), ... , X^(2ᵐ⁻¹)), i.e. sending aₑ X₀^σ(0) ⬝ ⋯ ⬝ Xₘ₋₁^σ(m-1) → aₑ (X^(2⁰))^σ(0) ⬝ ⋯ ⬝ (X^(2ᵐ⁻¹))^σ(m-1) for all σ : Fin m → ℕ -/ def powAlgHom : MvPolynomial (Fin m) F →ₐ[F] Polynomial F := aeval fun j => Polynomial.X ^ (2 ^ (j : ℕ)) lemma...