An integrability result for Lp-vector fields in the plane

Petrache, Mircea

In: Advances in Calculus of Variations, 2013, vol. 6, no. 3, p. 299-319

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    Summary
    We prove that if , then the divergence of an Lp-vector field V on a 2-dimensional domain is the boundary of an integral 1-current if and only if V can be represented as the rotated gradient for a W1,p-map . Such a result extends to exponents the result on distributional Jacobians of Alberti, Baldo, Orlandi (2003)