多阶段成组测试问题的超图方法
On a Hypergraph Approach to Multistage Group Testing Problems
摘要：
组测试是一个公知的搜索问题，它包括通过对适当选择的$[t]$的子集进行测试来检测集合$[t]=\{1,\ldots,t\}$的多达$s$的缺陷元素。在经典的分组测试中，目标是通过使用尽可能少的测试次数来找到所有有缺陷的元素。在本文中，我们考虑多级组测试。我们提出了一个一般的想法，如何使用超图的方法来搜索缺陷。对于$s=2$案例，我们设计了一个显式构造，该构造在最坏情况下使用$2\log_2t(1+o(1))$测试，并由$4$阶段组成。
英文摘要：
Group testing is a well known search problem that consists in detecting up to $s$ defective elements of the set $[t]=\{1,\ldots,t\}$ by carrying out tests on properly chosen subsets of $[t]$. In classical group testing the goal is to find all defective elements by using the minimal possible number of tests. In this paper we consider multistage group testing. We propose a general idea how to use a hypergraph approach to searching defects. For the case $s=2$, we design an explicit construction, which makes use of $2\log_2t(1+o(1))$ tests in the worst case and consists of $4$ stages.
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