We give sufficient conditions for the naturallity of the exterior differential under Sobolev mappings. In other words we study the validity of the equation for a smooth form and a Sobolev map .
Kamiar Aminian, Frédéric Meyer, Grégoire Millet, Mathieu Pascal Falbriard
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Marilyne Andersen, Jan Wienold, Caroline Karmann, Sneha Jain, Geraldine Cai Ting Quek, Clotilde Marie A Pierson