arXiv is a free distribution service and an open-access archive for nearly 2.4 million scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. Materials on this site are not peer-reviewed by arXiv.
arXiv是一个免费的分发服务平台，也是一个开放获取的档案库，收录了近240万篇学术文章，涵盖物理学、数学、计算机科学、定量生物学、定量金融学、统计学、电气工程与系统科学以及经济学等领域。本网站上的资料未经arXiv的同行评审。