A surname from German.

(algebra) A complex number of the form a+b𝜔, where a and b are integers and ω is defined by the following two rules: (1) 𝜔³=1 and (2) 1+𝜔+𝜔²=0; an element of the Euclidean domain ℤ[𝜔].

plural of Eisenstein integer

(mathematics) Any Eisenstein integer that is prime.

plural of Eisenstein prime

Of or relating to Sergei Eisenstein (Russian: Сергей Михайлович Эйзенштейн; 1898–1948), Soviet film director and pioneer in the theory and practice of montage.