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单词 Perfect differential
释义

Perfect differential

英语百科

Differential ideal

(重定向自Perfect differential)

In the theory of differential forms, a differential ideal I is an algebraic ideal in the ring of smooth differential forms on a smooth manifold, in other words a graded ideal in the sense of ring theory, that is further closed under exterior differentiation d. In other words, for any form α in I, the exterior derivative dα is also in I.

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