A continuous deRham antidifferential

Let M be a manifold, possibly with boundary. We show that the deRham differential from k-forms to exact (k+1)-forms has a continuous right inverse when both spaces are given the weak Whitney topology. This antidifferential operator is given a fairly explicit formula depending on the choice of a suitable good cover of M and local coordinates on the elements of the cover. If the antidifferential operator is applied to a smooth family of exact forms, it produces a smooth family of forms.

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