评论:出现的有点突兀,似与上一段有关联。定理1.1中是 条件1+条件2 => X 有界。又,定理1.1=>推论1.2。这意味着,条件2b => 条件2。(因为推论1.2是在定理1.1成立的前提下出来的)。
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第十段照录如次。It is easy to see that this is equivalent to Theorem 1.1. The corollary was previously known when the coefficients of Δ are in a fixed DCC set [13] or when the coefficients are bounded from below away from zero [3].