Abstract
We show that smooth maps are C 1-dense among C 1 volume-preserving maps.
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Avila, A. On the regularization of conservative maps. Acta Math 205, 5–18 (2010). https://doi.org/10.1007/s11511-010-0050-y
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DOI: https://doi.org/10.1007/s11511-010-0050-y