Wei, Gaoyuan; Zhu, Xuexian - In: Physica A: Statistical Mechanics and its Applications 237 (1997) 3, pp. 423-440
For arbitrary random walks in any d-dimensional space, expansions in powers of 1/d of asphericity and prolateness … parameters and moments of the inverse size ratio have been developed, which, at O(1/d3), yield very good approximations to exact …
