黒川 俊
????????????????????????????????????????????????????????????????????????????????????2???????????????????????????????????????????????????????????????????????? (Nowak et al.)?????????????ESS????????????????????????????????????????????????????????1/N????????????????????????????Nowak et al. ??1/3??????????????????Kurokawa?Ihara??2??????n??????????1/3??????????????{2/[n(n+1)]}1/(n–1)??(n????????)??????????{2/[n(n+1)]}1/(n–1)??????????????????({2/[n(n+1)]}1/(n–1)??)????????????????????????????({2/[n(n+1)]}1/(n–1)??)????????????????1/3???????(1/[1+(n) 1/(n–1)]??)??????