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Does this question Basic algebra of $\mathcal{O}_0(\mathfrak{sl}_n(\mathbb{C}))$ — Reference request look like this for anyone else?:

enter image description here

Those squares are supposed to be \mathcal{O}'s. As far as I can tell the LaTeX code is fine but it is rendering wrong for some reason. I remember looking at this question a couple days ago and it looked fine.

EDIT: Maybe I should say I'm on Chrome on a Mac.

EDIT 2: Changing the math renderer (as mentioned in the comments) fixed this for me; thanks!

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  • 1
    $\begingroup$ I see it correctly (in Chrome under Linux). $\endgroup$
    – Stefan Kohl Mod
    Commented Nov 19, 2022 at 21:36
  • 1
    $\begingroup$ Looks OK to me (also on Chrome on a Mac). $\endgroup$
    – Gerry Myerson
    Commented Nov 19, 2022 at 21:37
  • 1
    $\begingroup$ Hmm okay good to know, must be something wrong on my system. $\endgroup$
    – Sam Hopkins
    Commented Nov 19, 2022 at 21:37
  • 1
    $\begingroup$ Try documate.org/resources/… $\endgroup$
    – Emil Jeřábek
    Commented Nov 20, 2022 at 10:15
  • 7
    $\begingroup$ I use Chrome an Mac, and I got the same problem. $\endgroup$
    – Surb
    Commented Nov 20, 2022 at 12:49
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    $\begingroup$ Have you tried changing the math renderer you're currently using for MathJax. From what I read here, not all of them rely on local fonts: What is the difference between the 3 math renderers? (I do not know enough about MathJax to help - but maybe knowing whether this behaves the same for all renderers might help somebody to diagnose the problem.) Unrelated: since the comments suggest that this might not actually be a bug, I have added the tag (support). $\endgroup$
    – Martin Sleziak
    Commented Nov 20, 2022 at 14:59
  • 5
    $\begingroup$ Another user recently posted a question about a similar problem on Mathematics Meta - so it might be worth checking later whether some new advice appeared there: Why using \mathcal command produce a square? $\endgroup$
    – Martin Sleziak
    Commented Nov 20, 2022 at 15:02
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    $\begingroup$ Using Chrome on MacOS, I am able to reproduce this when the math renderer is set to HTML-CSS. If I change it to any other math renderer, then it is displayed correctly. I have not yet tested this on other browsers/devices. $\endgroup$
    – The Amplitwist
    Commented Nov 21, 2022 at 8:33
  • $\begingroup$ It is currently showing up correctly for me on Chromium even with the HTML-CSS renderer. $\endgroup$
    – LSpice
    Commented Dec 6, 2022 at 11:02
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    $\begingroup$ The issue started for me after I updated to macOS Ventura. I left a comment about this on Mathematics Meta. I don't know whether it's the same for the OP. $\endgroup$
    – The Amplitwist
    Commented Dec 6, 2022 at 11:12
  • 1
    $\begingroup$ @TheAmplitwist: yes, I think updating to Ventura had something to do with it for me as well. $\endgroup$
    – Sam Hopkins
    Commented Dec 6, 2022 at 13:22
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    $\begingroup$ I am also on MacOS ventura, and am reporting the same issue on another Chromium-based browser (Vivaldi). $\endgroup$
    – a6623
    Commented Dec 12, 2022 at 18:49
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    $\begingroup$ Several posts on [math.mate.se] now have an answer posted by Davide Cervone, see "Chrome doesn't display some symbols" and other questions linked there. $\endgroup$
    – Martin Sleziak
    Commented Jun 1, 2023 at 5:02
  • $\begingroup$ Related post on Meta Stack Exchange: I think there is a MathJax bug for 'mathcal' typesetting on some platforms. $\endgroup$
    – Martin Sleziak
    Commented Aug 1 at 5:54

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