kertalukuja
Kertalukuja is the plural form of kertaluku, a Finnish mathematical term that denotes multiplicity—the number of times a given value occurs in a mathematical setting. The concept is used to describe repeated roots, repeated eigenvalues, or repeated elements within a multiset or sequence.
In polynomials, the multiplicity of a root α is the largest integer k such that (x − α)^k
Kertalukuja also appears in multiset theory and combinatorics, where it describes how many times an element
See also: algebraic multiplicity, geometric multiplicity, multiplicity (multiset).