We establish higher integrability estimates for constant-coefficient systems of linear
PDEs\[\mathcal {A}\mu=\sigma,\] where $\mu\in\mathcal {M}(\Omega; V) $ and …

We study compensation phenomena for fields satisfying both a pointwise and a linear
differential constraint. This effect takes the form of nonlinear elliptic estimates, where …

This paper introduces and studies the analogue of the notion of Lipschitz differentiability
space by Cheeger, using Carnot groups and Pansu derivatives as models. We call such …