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Buchberger Algorithm

Gröbner Basis Calculator for Polynomial Ideals

Buchberger's Algorithm (1965) computes a Gröbner basis for an ideal I = ⟨f₁, …, fₛ⟩ ⊆ k[x₁, …, xₙ]. It systematically reduces S-polynomials and adds non-zero remainders to the generating set until all S-polynomial pairs reduce to zero.
S-Polynomial
S(f, g) = lcm(LM(f), LM(g)) LT(f) · f  −  lcm(LM(f), LM(g)) LT(g) · g
where LT = leading term  ·  LM = leading monomial  ·  lcm = least common multiple of monomials
Input