Monte Carlo methods for linear and non-linear Poisson-Boltzmann equation Mireille Bossy, Nicolas Champagnat, Hélène Leman, Sylvain Maire, Laurent Violeau and Mariette Yvinec ESAIM: Proc., 48 (2015) 420-446 Published online: 09 March 2015 DOI: 10.1051/proc/201448020