Weyl algebra

Etymology
Named after, who introduced them to study the Heisenberg uncertainty principle in quantum mechanics.

Noun

 * 1)  The ring of differential operators with polynomial coefficients (in one variable), namely expressions of the form $$ f_m(X) \partial_X^m + f_{m-1}(X) \partial_X^{m-1} + \cdots + f_1(X) \partial_X + f_0(X)$$.