Kronecker substitution encodes a polynomial with bounded nonnegative integer coefficients as one large integer by evaluating it at a sufficiently large base. Integer multiplication then gives the polynomial product, provided the base exceeds every output coefficient so carries cannot mix coefficients.
Articles by others on the same topic
Kronecker substitution is a mathematical technique used primarily in the context of polynomial approximations and numerical methods for solving differential equations, particularly when dealing with linear differential operators. It converts differential equations into algebraic equations by substituting certain variables or expressions, which can simplify the problem and make it more manageable.