A Note on Blackwell and Hodges (1957) and Diaconis and Graham (1981)
关于 Blackwell–Hodges 与 Diaconis–Graham 两篇论文的注记
The papers of Blackwell and Hodges (1957) and Diaconis and Graham (1981) contain an error concerning the asymptotic distribution of the number of returns to the origin of a constrained random walk. The correct distribution is given.