I have two accounts:



They appear in the screen in an alternating manner. I want to unify them in one account, namely the first one (https://math.stackexchange.com/users/73606/der). Then: How I can do this?

  • $\begingroup$ I see your accounts are still separate; have you tried merging them as stated below? If unsuccessful, use the contact us link to request a merge. $\endgroup$
    – user147263
    Dec 21, 2014 at 2:11
  • $\begingroup$ @Behaviour: Ok I send a request to the center. $\endgroup$
    – Safwane
    Dec 21, 2014 at 17:07

1 Answer 1


Standard method

Use the Contact Us form with the reason "merge user profiles".

DIY method

If you still have access to both accounts, you can try adding login method you use for one account to another account. To do this, click "my logins... add more logins" on the profile page. The system will detect that the same login method is used for both, and will merge them automatically.


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