@article{De Filippis2022, 
author = {Cristiana De Filippis},
title = {Optimal gradient estimates for multi-phase integrals},
year = {2022},
journal = {Mathematics in Engineering},
volume = {4},
number = {5},
pages = {1-36},
keywords = {regularity, nonuniform ellipticity, multi-phase problems},
url = {https://www.sciopen.com/article/10.3934/mine.2022043},
doi = {10.3934/mine.2022043},
abstract = {We prove sharp reverse Hölder inequalities for minima of multi-phase variational integrals and apply them to Calderón-Zygmund estimates for nonhomogeneous problems.}
}