Jan 5, 2011 · Probably this is a good chance to recall the Detexify website, where you can simply draw the symbol you want, and obtain the needed code. I'm a bad illustrator, but for me, after drawing the …

Jan 4, 2026 · Show that $$ \operatorname {rank} (\phi \circ \psi) ≥ \operatorname {rank} (\phi) + \operatorname {rank} (\psi) − n. $$ My work: I have already seen this question and this question …

Dec 7, 2025 · After many years of independent research, I discovered the following remarkably accurate approximation that works excellently in the range $30^\\circ$-$55^\\circ$: If an angle in a right …

Dec 13, 2022 · I frequently use $^{\circ}$C for writing the degree celsius unit. Now I would like to make this into a command like \deg, \degree, \celsius, or any suitable command that is not already taken of …

This answer is not correct: it would be correct if the part "not $\pi$ but" were deleted. In fact the number $2\pi$ is literally equal to $360^\circ$. This is the definition of $\circ$.

Jun 7, 2024 · I've want to write $\\circ\\!\\!-\\!\\!\\!-\\!\\!\\bullet$ for notating laplace transformations, but have not found a better way than above command. Is there an ...

Dec 13, 2025 · Going round the right hand diagram, there are $16$ angles summing to $360^\circ$ so at least one of them must be no more than $\frac {360^\circ} {16}=22.5^\circ$. Thus at least one angle …

Jun 5, 2021 · 4 Stix and oplotsymbl package define also the symbols " semi-circ, semi-bullet " that you can use also with \scriptstyle or with the option \scriptscriptstyle.

In the end I'm using an even larger circle than in Caramdir's great answer: accents sets the \circ in \scriptscriptstyle; I'm using \scriptstyle. To not affect the line spacing so much, I have the circle …

Jan 26, 2021 · Small hollow circle in math, smaller than \circ [duplicate] Ask Question Asked 4 years, 11 months ago Modified 4 years, 11 months ago