A continuous time random walk (CTRW) integro-differential equation with chemical interaction Rami Ben-Zvi, Alon Nissan, Harvey Scher and Brian Berkowitz Eur. Phys. J. B, 91 1 (2018) 15 Published online: 17 January 2018 DOI: 10.1140/epjb/e2017-80417-8