arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1104.0639cond-mat.stat-mechphysics.bio-ph
收藏

间歇搜索策略

Intermittent search strategies

O. Bénichou, C. Loverdo, M. Moreau, R. Voituriez

摘要:

这篇评论探讨间歇性目标搜索策略,它结合了慢动作的阶段,允许搜索器检测到目标,和快速运动的阶段,在此期间,目标无法被检测到。我们首先表明,间歇性搜索策略实际上是广泛观察到在各种规模。在宏观尺度上,这是例如动物寻找食物的情况;在微观尺度上,间歇性运输模式涉及DNA结合蛋白的反应途径以及细胞内运输。其次,我们介绍了一般的随机模型,这表明间歇策略是有效的策略,使搜索时间最小化。这表明间歇性搜索策略的内在效率可以证明它们在自然界中的频繁观察是合理的。最后,除了这些建模方面,我们建议间歇性策略也可以在更广泛的背景下使用,以设计和加速搜索过程。

英文摘要:

This review examines intermittent target search strategies, which combine phases of slow motion, allowing the searcher to detect the target, and phases of fast motion during which targets cannot be detected. We first show that intermittent search strategies are actually widely observed at various scales. At the macroscopic scale, this is for example the case of animals looking for food ; at the microscopic scale, intermittent transport patterns are involved in reaction pathway of DNA binding proteins as well as in intracellular transport. Second, we introduce generic stochastic models, which show that intermittent strategies are efficient strategies, which enable to minimize the search time. This suggests that the intrinsic efficiency of intermittent search strategies could justify their frequent observation in nature. Last, beyond these modeling aspects, we propose that intermittent strategies could be used also in a broader context to design and accelerate search processes.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑