"this implies that for an unbiased random walk on the vertices of this graph , the probability of return to the origin at time [MATH] varies as [MATH] , for large [MATH] , where [MATH] is a constant ."

top frame glasses 2017 a0e7ww,"for an unbiased random walk on the vertices of this graph , this implies that the probability of return to the origin at time [MATH] varies as [MATH] , for large [MATH] , where [MATH] is a constant ."