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arXiv · 2505.19177

Regularizing effects for an elliptic system of singular equations

Gabriele Giannone
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Abstract

A system of two singular semi-linear elliptic equations, patterned after the Schr\"odinger-Maxwell system, is considered. If the reaction term of the first equation contains a datum $f\in L^m$, existence of positive solutions with finite energy is established for suitable ranges of $m$. In particular, the results from the theory of elliptic single equations are improved. At the same time, thanks to an approach based on approximation schemes and a priori estimates on the approximated sequences of solutions, it is shown that the integrability assumptions on the datum produce higher integrability of the solutions.

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Gabriele Giannone. 2025-05-25. Regularizing effects for an elliptic system of singular equations. https://doi.org/10.1016/j.jmaa.2025.129950

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