Wikipedia:Long-term abuse/Xayahrainie43

Basic information
Comprehensive edits analysis A user from Taiwan who persistently adds fancruft and original research related to mathematics, especially number theory.

Targeted areas, pages, themes

 * Number theory topics, especially conjectures and classes of integers
 * Specific non-notable classes of numbers, such as the "Smarandache numbers"
 * Integer-related redirects
 * Natural units and subtopics
 * Information that can be derived from a table of nuclides
 * Fairy chess pieces

Habitual behavior

 * Adding massive quantities of indiscriminate data and non-notable facts to articles
 * Making crufty sandboxes, either in userspace or at Sandbox
 * Frequently adds inappropriate references to MathWorld or OEIS
 * Usernames often consist of Chinese characters and numbers
 * Frequently edits not-logged-in, using both IPv4 and IPv6 addresses that geolocate to Taiwan

Cases

 * This editor was initially blocked as a result of this thread: Administrators%27 noticeboard/IncidentArchive994

Other notes

 * As edits by this user often go unnoticed, pages edited by this user should be watched, and mass additions should be reverted on sight. Long-term semi-protection of repeat targets may be needed, and is usually sufficient.
 * Also problematic on zh.wikipedia.org, and many socks and IPs have been globally blocked.

Confirmed and suspected accounts

 * Sockpuppet category (if any): Category:Wikipedia sockpuppets of Xayahrainie43
 * Suspected sockpuppet category (if any): Category:Suspected Wikipedia sockpuppets of Xayahrainie43

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