I want to define an operator which uses the '.' symbol on the margin, with proper spacing. Simply using a period doesn't give the right spacing around the arguments. Usually I use \mathop for this sort of thing, but \mathop{.} gives the same result as if I used \cdot, that is, places the dot in the centre! Is there anyway I can do this?

  • What do you mean by “on the margin”? Should it behave like a binary operation? Note that \mathop is for symbols such as \sum or \sin, not for operations. – egreg Oct 14 '17 at 10:57
  • @egreg I know what's wrong -- I confused \mathop with \mathbin! Thanks. – Luke Collins Oct 14 '17 at 11:44

I confused \mathop with \mathbin. What I want can be achieved by doing a \mathbin{.} b.

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