Algebra/Ideal/Differentielle Potenz/Definition/en

Let ${}R$ be a ${}K$-algebra and ${}I\subseteq R$ an ideal. Then we call

${}I^{\langle n\rangle }={\left\{f\in R\mid E(f)\in I{\text{ for all }}E\in \operatorname {Diff} ^{n-1}(R,R)\right\}}\,$

the ${}n$th differential power of ${}I$.