{stacking-symbol} is about mathematical symbols created by stacking existing symbols above each other.

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4
votes
2answers
942 views

Change vertical space in overset

How can I decrease the space in overset? I found this solution online, but it doesn't look quite like the original overset (note I know it is difficult to come up with a solution to handle all cases ...
22
votes
2answers
12k views

Is there an “underscript” command?

Is there a way to do underscripts? By "underscript" I mean a small font underneath the text object like limits or sums have. I don't want it to behave like a math operator though, where it is typeset ...
2
votes
2answers
59 views

how to print long relation operators like simeq and sim with text above in latex

ENV xelatex --version XeTeX 3.14159265-2.6-0.99991 (TeX Live 2014) bibtex --version BibTeX 0.99d (TeX Live 2014) \mathrel{\simeq\!\simeq} not what I want. \stackrel{\text{mytext}{\simeq}} the ...
3
votes
1answer
54 views

Custom “H” symbols for double affine Hecke algebra

I'd like to create some custom symbols for double affine Hecke algebras. Specifically, I would like to "double" the usual "H" symbols, for example $\mathcal{H}$, $\mathbb{H}$ or $\mathbf{H}$. By ...
2
votes
2answers
60 views

Combine several math symbols in one symbol properly

How to put several math symbols together in one and make it work as a single math symbol? It should be invulnerable to font size and scaling. For example I want to have this weird symbol: and I ...
2
votes
2answers
61 views

how to put symbol on top of tensor product

How do I put a $\frown$ right on top of $\otimes$? I tried \stackrel but it leaves too much space between symbols.
1
vote
0answers
64 views

Transpose of a matrix with tilde:

What is the best way to write the transpose with a tilde on top? Some authors use this notation. I used \overset{\thicksim}{ABC} because \tilde{ABC} does not work either. The idea is that the tilde ...
2
votes
2answers
46 views

I would like to use vertical dots to indicate I am omitting arrows

I have a diagram with many parallel arrows between objects in XYpic. Eventually, they become too numerous to all display. I would like to indicate this with two outside horizontal arrows and some \...
3
votes
2answers
92 views

How to put a bar on top of a hat

I'm trying to type the conjugate of the fourier transform, so I want a bar over a hat. I only really know one way of doing this but these come out VERY scrambled: $\overline{hat{f}}$ or $\bar{\hat{f}}$...
3
votes
1answer
45 views

Footmark closer to text

I want the footmark to be closer to the inequality sign. \stackrel{\footnotemark[1]}{\leq} \footnotetext[1]{Test}
2
votes
1answer
183 views

Functional Notation in Latex

Is there a way to display a mathematical function in the following format $f: \mathbb{N} \to \mathbb{N}$ $x \to x^2$ with the x -> x^2 just below the definition of the domain and ...
17
votes
3answers
11k 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 ...
13
votes
2answers
4k 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 ...
2
votes
1answer
70 views

\stackrel{-}{x} of different letters makes overline at different quote

I'm writing my PhD Thesis. I have a stylistic problem with an equation. These are the code and the output (the red lines are mine). Per ovviare a questi due inconvenienti si è ritenuto opportuno ...
3
votes
2answers
68 views

How do I stack multiple conditions in a column in math mode? [duplicate]

I am experimenting with multiple integrals and volume (and area) elements. I can write the integral, $A = \int_a^t{\left|f\left(x\right)\right|dx} $, as $A = \int_a^t{\int_0^{\left|f\left(x\...
37
votes
2answers
69k views

\Rightarrow with text above it [duplicate]

When using the command \Rightarrow is there any way to put text above it? I have tried \overbrace but is there a way to do it without this?
0
votes
1answer
25 views

How can I write underset tag properly in the reaction below?

I am using mhchem tools for writing chemical reaction in my blog. How should I rewrite the code in the reaction below so that the text Rust appears just below the product? And this is the code I have ...
1
vote
2answers
69 views

How to make this Conceptual Dependency direction symbol in LaTex?

I've tried several approaches using large brackets and arrows but can't get them to work. Thanks in advance.
3
votes
1answer
75 views

a \frac{}{} with knobs

I would like to create a variation of iff (A|B or \frac{A}{B}), say A \cirf B and \fric{A}{B} for if of the kind below. It can be done in tikz however that won't scale with the arguments in size, ...
2
votes
1answer
48 views

Drawing dashed `\subseteq` symbol

I am trying to draw a dashed \subseteq symbol: (in contrast to \not\subseteq or \varsubsetneq and \nsubseteq from the amsfonts package) but having no success. Is there any known way to do this? ...
1
vote
5answers
153 views

The Distinct symbols [duplicate]

How do I write the symbol x cross in LaTeX. I want the x with a line across the centre point of X. I searched the internet but couldn't get it. This is a picture of the symbol
4
votes
3answers
248 views

How to put symbols of equal size on top of each other?

I would like to put (any) two symbols on top of each other. With \overset the one on top is smaller. However, I want them to appear vertically centered and of equal size. How can this be done? ...
1
vote
1answer
47 views

Negating (\not) a stackrel expression

I am using the following command to generate an arrow with a superscript, which is then negated: \not \stackrel{x}{\Longrightarrow} The problem is that the "\not" slash appears far to the left on ...
7
votes
2answers
267 views

Combine two symbols to one fully scalable

I have to put a colon inside a bigcup symbol, so that the result is treated exactly like the latter. I tried different approaches following various posts here and on other places. The best result ...
4
votes
2answers
230 views

an \underhat and \underwidehat

So $\hat x$ and $\widehat x$ give upper hats of different length, however, unlike \overbrace{} had an \underbrace{}, one sometimes needs an \uhat and \uwidehat. What is the best (cleanest, fewest ...
0
votes
1answer
407 views

Letter with circle above — not a dot — in math mode [duplicate]

I need to typeset letter with a circle above it in math. \dot A does a very close result, but I need something that looks like \circ, not like \cdot. Edit: there is awesome answer here, but Detexify ...
0
votes
1answer
176 views

Triangle inequality symbol

Does anybody know what symbol to put above an inequality symbol < to indicate that the triangle inequality has been applied? I would like a symbol like this (which is not in The Comprehensive ...
6
votes
3answers
3k views

How do I write logical iff symbol?

I'm currently hearing a lecture about formal systems (a computer science lecture). The lecturer makes a symbol that is written like overlying < and >: Every time when he draws it, he says "...
4
votes
2answers
342 views

Symbol inbetween “#” and “ff”

I wondered how to create a symbol that looks like "#" (for connected sum) and "ff" for "fiber". The size and angles should be like the "#", but the vertical bars should look like two f`s. Another way ...
8
votes
1answer
276 views

How to create \Delta with dot in it?

I am just looking for ways to write different \Delta´s (so many different variants of the Alexander polynomial). So I came up with the idea to have a dot in it. But the problem I noticed is, if I ...
2
votes
2answers
139 views

In the Tufte template… How can I make LaTeX use symbols (*, †, ‡, and so on) instead of numbers to mark sidenotes?

Sorry for the possible naive question.... I am using the wonderful Tufte template... How can I make LaTeX use symbols (*, †, ‡, and so on) instead of numbers to mark sidenotes? I tried the solution ...
8
votes
3answers
2k views

double tilde symbol under letter

Currently, I'm representing second and fourth order tensor with this (taken from someone, and i don't really get how it works): % tensor 2: \newcommand{\tend}[1]{\oalign{\mbox{\boldmath$#1$}\...
4
votes
1answer
143 views

Create a new symbol

First of all, I want to say I am a complete layman, so I apologize in advance for the lack of specific terminology or even if I am asking in the wrong place. I am looking for a character, which most ...
2
votes
2answers
2k views

How to write inference rules if we are having two antecedents

\[ \frac{A \rightarrow f[\overrightarrow{B}]:= \Psi \\ \Phi \in \langle\Psi\rangle} {A \rightarrow f[\bullet\overrightarrow{B}];\Phi} \] I need to get the two antecedents in two seperate lines. A \...
5
votes
1answer
80 views

Stacking arrays

I want to reproduce something called the tower notation: I have found out that I can make the tables like this: \begin{array}{c|c} S & S\\ S & S\\ \hline \multicolumn{2}{c}{DP\bs S}\\ \...
3
votes
1answer
156 views

adjusting symbols above letter in mathmode

I know there are plenty of similar questions. If you check out the lower picture, you can see that i've tried a bunch of things to solve my problem. That's just one picture...i'm kind of obsessed with ...
1
vote
2answers
234 views

Subscript and superscript for arbitrary symbols in plain TeX

I am trying to obtain a black square with a subscript and a superscript in plain TeX. So far I managed to create $\buildrel abc \over\square$. I could easily use nested \buildrels to achieve the ...
3
votes
1answer
121 views

How can I fix the size of parentheses around stacked function symbols?

I apologize if this is a duplicate, I looked at a number of other questions regarding parentheses size but didn't find an answer to my problem. I'm trying to stack two function symbols within ...
6
votes
3answers
4k views

How do I get a equals sign under letters?

To show that a letter is a matrix my math book puts a equals sign under the letter. How do I do this?
22
votes
4answers
5k 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?
9
votes
2answers
320 views

Typesetting arc over the letter upside down

How can I, using standard tools and packages, draw a "smile" over a letter? For example, I can typeset \wideparen{x} using yhmath package, but I need that arc to be upside down. Of course I want it to ...
7
votes
3answers
530 views

Combine blacktriangle and blacktriangledown

I need to combine \blacktriangle and \blacktriangledown so that I get the following result: I already tried $\stackrel{\blacktriangle}{\blacktriangledown}$ but then the triangle pointing up is ...
6
votes
5answers
452 views

add (a little bit long) comment on the equal sign?

There are posts here explained how to Add a comment on top of "equal" and "approximate" symbols , the idea is to use \stackrel{text}{=}, however, if the text is a bit long, for ...
3
votes
1answer
2k views

Symbol: “maps isomorphically” [duplicate]

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: \documentclass{...
9
votes
7answers
5k 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 ...
4
votes
2answers
150 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 ...
2
votes
2answers
133 views

Stackrel and footnote inside the math environment

In my document I have on first page an inequality \begin{eqnarray*} a &\stackrel{*}{\leq}& b \end{eqnarray*} and also on few other pages I have the same inequality. On each page I want to ...
8
votes
2answers
971 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 (\...
1
vote
1answer
65 views

Decrease vertical whitespace when stacking above and below arrow

I'd like to have symbols below and above an arrow. The best result so far is accomplished using \stackrel{\tau}{\underset{\equiv}{\rightarrowtriangle}}}} However, the vertical distance between the ...
5
votes
2answers
217 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 ...