18

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.

  • $\langle {,} \rangle$ ? – David Carlisle Oct 22 '14 at 16:26
  • 1
    $\langle\,,\rangle$, or what I prefer, \langle\cdot,\cdot\rangle. – yo' Oct 22 '14 at 16:27
  • Or even \langle\,\cdot\,,\,\cdot\,\rangle. – Manuel Oct 22 '14 at 16:34
  • @Manuel the space after the comma is sure an extra one ;) (there already is one, see my answer). – yo' Oct 22 '14 at 16:36
  • @tohecz Definetly, I forgot it :) – Manuel Oct 22 '14 at 16:37
25

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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