Riesz and Wolff potentials and elliptic equations in variable exponent weak Lebesgue spaces
: A. Almeida, P. Harjulehto, P. Hästö, T. Lukkari
Publisher: SPRINGER HEIDELBERG
: 2015
: Annali di Matematica Pura ed Applicata
: ANNALI DI MATEMATICA PURA ED APPLICATA
: ANN MAT PUR APPL
: 194
: 2
: 405
: 424
: 20
: 0373-3114
DOI: https://doi.org/10.1007/s10231-013-0382-2
We prove optimal integrability results for solutions of the p(.)-Laplace equation in the scale of (weak) Lebesgue spaces. To obtain this, we show that variable exponent Riesz and Wolff potentials map L-1 to variable exponent weak Lebesgue spaces.