黑川俊
???????????????????????????????????????????????????????????????????????????????????????????????????????Nowak ?????????????????????? ESS???????????????????????? 1/N?????????????????????Nowak????????????????????Kurokawa ? Ihara ???????? n ???????? {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/[1+(n) 1/(n–1)] ??) ???????
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