Hörmander condition with non-smooth $f$ Posted by Lost1, at math.stackexchange.com, 14 Aug 2016 Hörmander…
Electromagnetic field and continuous and differentiable vector fields Posted by Isomorphic, at physics.stackexchange.com, 31 Aug 2014 We have notions of derivative for a continuous and differentiable vector fields. The operations like curl,divergence etc. have…