[Kro.neck.er delta] n [Leopold Kronecker d. 1891 Ger. mathematician] (1926): a function of two variables that is 1 when the variables have the same value and is 0 when they have different values
KRONECKER DELTA
Meaning of KRONECKER DELTA in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012