Log-periodicity can appear in a non-Markovian random walk even if there is perfect memory of its historyK. J. C. C. de Lacerda, J. C. Cressoni, G. M. Viswanathan and M. A. A da SilvaEPL, 130 2 (2020) 20004DOI: https://doi.org/10.1209/0295-5075/130/20004