@unpublished{fayolle:hal-03008556, TITLE = {{Conditions for some non stationary random walks in the quarter plane to be singular or of genus 0}}, AUTHOR = {Fayolle, Guy and Iasnogorodski, Roudol}, URL = {https://inria.hal.science/hal-03008556}, NOTE = {working paper or preprint}, YEAR = {2020}, MONTH = Nov, PDF = {https://inria.hal.science/hal-03008556v2/file/noyau.pdf}, HAL_ID = {hal-03008556}, HAL_VERSION = {v2}, }