Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4620891 | Journal of Mathematical Analysis and Applications | 2008 | 8 Pages |
Abstract
It is shown that if two submeasures on N that are lim sup's of sequences of measures have the same zero sets, and one is nonatomic, so is the other, and they are (ε-δ)-equivalent. Moreover, if a submeasure η is the lim sup of a sequence of lower semi-continuous (lsc) submeasures and is 0-dominated by the so-called core γ• of an lsc submeasure γ, then η is also (ε-δ)-dominated by γ•. And if a submeasure η of this type is 0-dominated by a nonatomic submeasure, then it is nonatomic as well.
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