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.
Categories: math.AP