[WikiEN-l] The shift of Wikipedia

[le Richard]

>As a mathematician I'm particularly interested on his contributions to see
>why (if they were correct) were removed and think of possible reasons, but
>again, no user with that username

Sorry I got it wrong. My username on the English wikipedia is Herve661.
And the contribution that was deleted is:
http://en.wikipedia.org/w/index.php?title=Mathematics&diff=prev&oldid=26373995

Thanks for the replies, everyone.