p, li { white-space: pre-wrap; } In this paper we give a negative answer to the question posed in \cite[Open Question 2.1]{SER} about possible gains of integrability of determinants of divergence-free, non-negative definite matrix-fields. We also analyze the case in which the matrix-field is given by the Hessian of a convex function.
On a question of D. Serre
Riccardo Tione
2020-01-01
Abstract
p, li { white-space: pre-wrap; } In this paper we give a negative answer to the question posed in \cite[Open Question 2.1]{SER} about possible gains of integrability of determinants of divergence-free, non-negative definite matrix-fields. We also analyze the case in which the matrix-field is given by the Hessian of a convex function.
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