41

I want to typeset the following in TeX (without the arguments).

< , >

I know that I can accomplish this by doing \langle , \rangle

As an example I want to write something like the follwing:

...The adjoints are with respect to the ( \langle , \rangle ) and not with respect to ( ( , ) )

But spacing on either side of the comma inside \langle \rangle does not look right.

How does one fix this? Thanks.

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5
  • 1
    $\langle {,} \rangle$ ?
    – David Carlisle
    Commented Oct 22, 2014 at 16:26
  • 1
    $\langle\,,\rangle$, or what I prefer, \langle\cdot,\cdot\rangle.
    – yo'
    Commented Oct 22, 2014 at 16:27
  • Or even \langle\,\cdot\,,\,\cdot\,\rangle.
    – Manuel
    Commented Oct 22, 2014 at 16:34
  • @Manuel the space after the comma is sure an extra one ;) (there already is one, see my answer).
    – yo'
    Commented Oct 22, 2014 at 16:36
  • @tohecz Definetly, I forgot it :)
    – Manuel
    Commented Oct 22, 2014 at 16:37

1 Answer 1

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51

I think that there are two most sensible options:

  • increase the first space and make it symmetric: $\langle\,,\rangle$
  • put \cdots in place of the arguments: $\langle\cdot,\cdot\rangle$ (this is what I prefer).

Typeset versions:

enter image description here

In the second one, if you don't like the space after the comma: $\langle\cdot{,}\cdot\rangle$

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