“…The meaning of these conditions (and conditions derived below) will be discussed in Section II,F, which shows that it is not difficult to satisfy these conditions. Next, we compare the first term in (44). From (16) and (23), the variance U: (RT, 8,) (62) becomes (54); therefore, the condition for u~,,,, < us,Iv is the same as that for us,II < us,I.…”