Nonstandard Methods for Upper Banach Density Problems
Nonstandard Methods for Upper Banach Density Problems
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DOI:
10.1006/jnth.2001.2671
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发表时间:
2001-11
影响因子:
0.7
通讯作者:
Renling Jin
中科院分区:
文献类型:
--
作者:
Renling Jin
Abstract A general method is developed by using nonstandard analysis for formulating and proving a theorem about upper Banach density parallel to each theorem about Shnirel'man density or lower asymptotic density.