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arXiv · 2507.06054

Local boundedness for solutions of a class of non-uniformly elliptic anisotropic problems

Stefano Biagi·Giovanni Cupini·Elvira Mascolo
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Abstract

We consider a class of {energy integrals}, associated to nonlinear and non-uniformly elliptic equations, with integrands $f(x,u,\xi)$ satisfying anisotropic $p_i,q$-growth conditions of the form $$ \sum_{i=1}^n \lambda_i (x)|\xi_i|^{p_i}\le {f}(x,u,\xi)\le \mu (x)\left\{|\xi|^{q} + |u|^{\gamma}+1\right\} $$ for some exponents $\gamma\ge q\geq p_i>1$, and non-negative functions $\lambda_i,\mu$ subject to suitable summability assumptions. We prove the local boundedness of scalar local quasi-minimizers of such integrals.

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Stefano Biagi, Giovanni Cupini, Elvira Mascolo. 2025-07-08. Local boundedness for solutions of a class of non-uniformly elliptic anisotropic problems. https://arxiv.org/abs/2507.06054

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