订阅方法
官方链接：
https://info.arxiv.org/help/subscribe.html
发送邮件到指定邮箱
To subscribe to additional subject classes, or delete existing subscriptions,
send a message containing ‘add’ or ‘del’ commands. For example,
To: [email protected] #发送邮件给cs分类
Subject: subscribe Your Name #邮件主题，也就是发送的邮件名
add Artificial Intelligence #邮件正文，添加Ai类别
del Systems and Control #邮件正文，删除系统和控制的提醒
取消订阅方法
如果想要取消订阅某一类论文，则应发送空邮件到指定的邮箱，并将主题设置为cancel，注意，同订阅一样，邮件格式应为纯文本。下面是一个取消所有 计算机科学(cs) 领域论文推送的例子：
收件人: [email protected]
主题: cancel
分类
Possibilities to add or del (for archive cs) are currently:
Artificial Intelligence
Computation and Language
Computational Complexity
Computational Engineering, Finance, and Science
Computational Geometry
Computer Science and Game Theory
Computer Vision and Pattern Recognition
Computers and Society
Cryptography and Security
Data Structures and Algorithms
Databases
Digital Libraries
Discrete Mathematics
Distributed, Parallel, and Cluster Computing
Emerging Technologies
Formal Languages and Automata Theory
General Literature
Graphics
Hardware Architecture
Human-Computer Interaction
Information Retrieval
Information Theory
Logic in Computer Science
Machine Learning
Mathematical Software
Multiagent Systems
Multimedia
Networking and Internet Architecture
Neural and Evolutionary Computing
Numerical Analysis
Operating Systems
Other Computer Science
Performance
Programming Languages
Robotics
Social and Information Networks
Software Engineering
Sound
Symbolic Computation
Systems and Control
For the cs archive, it is also possible to subscribe according to the
ACM Computing Classification System (http://www.acm.org/about/class/1998),
for example
add F.2.2
add I.2.7
add H.2
add A