Mathematicians: variables are named using Latin, Greek, Fraktur, Hebrew and Linear B letters in bold, italic, script, sans-serif and serif forms.

Also mathematicians: I need some brackets. Guess I'll use good ol' parentheses again! 😎


@christianp (a b) (with some space) for cyclic permutations.

Fun fact @zorkow's SRE has a heuristic to detect them because Nemeth has a braille notation for cycles.

Also fun fact, sometimes authors will just add space between (AB) because they just don't want it that tight right there. Hilarity ensues.

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@pkra yes! I knew there was another one I use regularly, but it wasn't coming to mind

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