Last Updated :2025/11/26

lower limit

数列(a_n)を解析する際、下極限は各末尾部分列の下限の上限を取ることで求められる。

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(mathematical analysis) The lower limit of a sequence of real numbers is the real number which can be found as follows: remove the first term of the sequence in order to obtain the first subsequence. Then remove the first term of the first subsequence in order to obtain the second subsequence. Repeat the removal of first terms in order to obtain a third subsequence, fourth subsequence, etc. Find the infimum of each of these subsequences, then find the supremum of all of these infimums. This supremum is the lower limit.

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lower limit

When analyzing the sequence (a_n), the lower limit is obtained by taking the supremum of the infima of its tail subsequences.

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When analyzing the sequence (a_n), the lower limit is obtained by taking the supremum of the infima of its tail subsequences.

音声機能が動作しない場合はこちらをご確認ください

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