2
votes
1answer
61 views

Symbol: “maps isomorphically”

I want to make a symbol for "maps isomorphically" which consists of a relatively large tilde above a right arrow. Overset doesn't work (besides, the tilde would be too small). MWE: ...
4
votes
2answers
67 views

like \rightleftarrows from amssymb, but with hook and twohead, respectively

I would like to have a symbol that looks like the symbol \rightleftarrows from amssymb, but I want the morphism to the right to be a twoheadrightarrow and the morphism to the left to be a ...
7
votes
2answers
222 views

Symbols for four and five vertical dots

I am very new to latex, but have spent hours trying without success to figure this out. I need symbols for both 4 and 5 vertically stacked dots. I know the commands for 1 dot (\cdot), and 3 dots ...
5
votes
2answers
164 views

Minus-like sign with stuff on top

I want to create an operator that works like a minus sign (including the spacing), but has the characters res on top (in \textrm mode). The length of the minus sign should be adjusted to look like ...
7
votes
3answers
290 views

Superimpose letter on integral symbol

Good Afternoon all, I am trying to typeset a symbol that I have been using to represent the integral of a regulated function. This symbol is the standard integral symbol, with the letter "R" ...
11
votes
3answers
187 views

position of the slash in hatted \slashed

So I want to denote the Dirac operator with a hat, and I tried both \hat{\slashed{D}} and \slashed{\hat{D}}: the first one has the $^$ rather distant to the $\slashed{D}$, while the second one has the ...
10
votes
4answers
560 views

How to put bullet symbol on top of downarrow symbol

I want to put bullet symbol on top of downward arrow symbol. Can someone help me on this? \documentclass{article} \usepackage{graphicx} \begin{document} The transition is represented with ...
11
votes
2answers
380 views

conventional temperature symbol

Looking for a symbol for the thermodynamic concept of conventional Temperature corresponding to \SI{298.15}{\kelvin} or \SI{25}{\Celsius} it is basically an uppercase T with a lowercase c overlaying ...
6
votes
3answers
280 views

Wide inverted breve overset

I want an inverted breve that spans the width of two symbols rather than one. I have tried the suggestions in: inverted breve accent in math mode , and in How to put \smallsmile or \smallfrown on top ...
7
votes
2answers
337 views

How can I underline mathematics using a harpoon of variable size?

I am a new user of LaTeX. I want to underline the answers to mathematics problems using a \rightharpoondown symbol. If possible, I would like a \rightharpoondown of variable size, as in the image ...
4
votes
4answers
649 views

How to typeset an isomorphism symbol ($\simeq$) with a long bar

Is there any way to typeset in LaTeX a \simeq with a longer bar, or equivalently \stackrel{\sim}{\longrightarrow} without the arrowhead?
12
votes
4answers
1k views

Vertical double asterisk that aligns well with the double dagger

The LaTeX text footnote symbol sequence begins with ∗ † ‡ § ¶ ∥. I'd like to define a vertical double asterisk ⁑ (\textastdbl) so that I can insert it into the sequence: * ⁑ † ‡ § ¶ ∥ (note: actual ...
8
votes
3answers
343 views

How to write a pretty \not \varepsilon

How can I write a pretty \not\varepsilon? I want something like \notin, since I use \varepsilon as a relation symbol like \in.
2
votes
1answer
672 views

Math Symbol for Corresponds (Better definition of smash) [duplicate]

I'm using \overset{\smallfrown}{=} to make the math symbol for corresponds. Is there a better definition for this symbol? If not how do I properly smash what I've defined? I tried ...
4
votes
3answers
3k views

Add a comment on top of “equal” and “approximate” symbols [duplicate]

I was wondering whether it is possible to add some comment on top of the \approx symbol in a similar way that the command \xrightarrow{text} produces an arrow with text over it.
11
votes
1answer
225 views

Straight Braces

Can I make a variant of Latex Braces? In some equations system, I'd like to use a left brace like in this picture:
8
votes
1answer
676 views

A better notation to denote arcs for an American high school textbook

For years, I've been using a hobbled together command to get the arc notation as used in the textbooks adopted by high schools in my area. I'm not really all that pleased with the result: it's just ...
18
votes
3answers
2k views

How can I type “lambda-bar”?

I would like to be able to add the symbol "lambda-bar" (see below) into an equation. How can I do this?
10
votes
1answer
589 views

How can I make an overset symbol at the same size and height as \bar except with a different symbol?

Apologies for the cryptic title, but I was not sure how best to phrase the question in one sentence. I am essentially trying the create a vector symbol with \rightharpoonup as the top instead of the ...
17
votes
4answers
2k views

What is the command for a sum symbol superimposed on an integral sign?

I want to express a sum over all discrete states and an integral over all continuum states. Usually, the sign for this is a $\sum$ superimposed on an $\int$. Is there a command to make this symbol? If ...
4
votes
1answer
2k views

How to place symbols on top of each other (not \overset, \underset)?

I tried to set two symbols on top of each other via: \begin{align*} \Rightarrow\atop\nLeftarrow \end{align*} How can I reduce the space between the symbols? \overset etc. is what I normally use, ...
8
votes
2answers
273 views

How to put a symbol inside another in math mode?

In math mode, I would like to put a symbol inside another. Let say I want to put an x inside a V. I would like x to be in the empty space inside the letter V. I guess I need to put V in a box, then x ...
5
votes
2answers
2k views

How to put something at the top of the \longrightarrow?

I would like to put something at the top of the \longrightarrow, something like \longrightarrow^{k\rightarrow\infty}. However, instead of putting k\rightarrow\infty on the top right corner, I would ...
10
votes
1answer
16k views

How to write “is distributed as” under a certain hypothesis?

I'd need a special symbol used in statistics. What I need is a tilde with something written upon it. I can get the tilde by using \sim, but I need to add a superscript over it (H_0). If I use ...
5
votes
3answers
1k views

How to put a symbol inside a circle arrow?

I'm trying to draw a clockwise circle arrow with a symbol inside. My current solution requires manual alignment of the content, and as such doesn't look very good. ...
7
votes
1answer
4k views

How to put symbol around the equal sign?

In the question Latex Math Symbol: Vitanyi puts a tiny plus symbol over his equals. How do I do that?, there was an answer to how to place additional sign over the equal sign. And my question is, ...
15
votes
3answers
8k views

How to stack limits for maths operators?

I have a question on how is it possible to create a \sum with two lower limits directly positioned right underneath each other. I have tried hard and cant seem to get anywhere with it.
4
votes
2answers
757 views

Customized accent symbol

I would like to create a customized accent that is basically the symbol \therefore, i.e. I would like to have a letter with the "three-dot \therefore symbol" on top of it. I am new to LaTeX and I am ...
7
votes
7answers
3k views

frown and mathop/stackrel/overset

I need something like \stackrel{\frown}{MM'} to express the fact that MM' is some path. But I am not really satisfied by the look of the result. The \frown is too high. Would you please have a ...