Questions tagged [stacking-symbols]

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

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votes
1answer
31 views

How to merge two harpoon arrows together?

I want to merge a \leftharpoondown and a \rightharpoonup together perfectly, no text necessary. Left/right harpoon arrow with text? provided some solutions, but each arrowhead has some of the ...
2
votes
1answer
48 views

Double diacriticaled letter

I'm an non-english speaker absolute newbie to latex and this forum (so many reasons to despair !). I'm trying to use it to write ancient greek.I've managed to make single-diacritical letters alright. ...
5
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3answers
144 views

Three stacked lines not evenly distributed

I'm having some small spacing glitches with this stack, and I'm wondering about the best way to do this: \documentclass[11pt,letterpaper,twoside]{book} \usepackage[T1]{fontenc} \usepackage{lmodern} \...
4
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2answers
78 views

Squaring a symbol

I would like to create a new binary operation by squaring a symbol. In this example I try to do it with \wr. I use \usepackage{graphics} \usepackage{stackengine} \newcommand{\SmallWr}{\scalebox{0.6}{\(...
3
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2answers
70 views

Adding crossbars to letters

I've been trying to make these symbols to use in math mode: I tried modifying the explanations from d with a little line through the top of it Vertical spacing using kern in a custom symbol but I ...
4
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2answers
52 views

Universal definition of vertically mirrored triangles on top of each other

In this question, we try to get two unfilled triangles on top of one another, mirrored vertically, as a relation symbol. Here is what we've tried so far: \documentclass{article} \pagestyle{empty} \...
2
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4answers
38 views

Typing Specific Inequality Symbol

I'm trying to type the following symbol in TeX, but I can't seem to find it anywhere. Am I supposed to create it myself? If so, how should I do this? Please and thank you.
5
votes
4answers
386 views

How to make equal sign with circles, similar to \risingdotseq?

I'm looking for the best way to create the symbol very similar to \risingdotseq, just with circles instead of dots. Unfortunately, it looks like it's not in the standard set of symbols. Any help ...
3
votes
1answer
42 views

Scaling custom stacking symbols like parentheses

I have created two custom symbols that I'd like to use like parentheses. It works fine when what is inside is in normal size, but when there is a bigger symbol, it does not scale, even if I use \left ...
5
votes
2answers
128 views

Why is underaccent symbol not centered?

Here's a MWE showing my issue: \documentclass[11pt,letterpaper,twoside]{book} \usepackage[T1]{fontenc} \usepackage{lmodern} \usepackage[total={6in,10in},left=1.5in,top=0.5in,includehead,includefoot]{...
1
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0answers
30 views

Arrow of \vec{\hslash} with other letter is too high

I have recently come up with the idea of putting a slash in a letter to distinguish it from another. I want to do it for the letter p. I've found some elements of answer here in the accepted answer: \...
1
vote
1answer
52 views

Put one symbol into another

I'm curious how I can make a custom character, more specificlly I want to inscribe equal sign into different shapes like circle, trianle and whatever I want. Is it possible to do that without tikz ...
6
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4answers
386 views

New decorated triangle for mathematical formulas

I would like to have two new decorated triangles. This si for writing an exercice about B-Method in a mathematical formulas.
5
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2answers
88 views

\lesscong extending amssymb

The amssymb package has \lesssim and \lessapprox and \leqq. Is there a way to construct \lesscong? I looked at the amssymb.sty file, and there's not an obvious way to modify the \DeclareMathSymbol ...
8
votes
4answers
795 views

How do I create this semi-enclosed arrow symbol?

I would like to create a symbol for \implies and \impliedby where they are enclosed in a rotated lidless box as shown in the picture. Can anybody tell me how I could achieve this?
4
votes
2answers
118 views

Align equalities using stackrel

I have a code block looking like this \begin{align*} ||Ty - Tz||_w &\stackrel{\text{Satz 4.3}}{=} \sup_{t \in I}e^{-2L(t-t_0)}||(Ty)(t) - (Tz)(t)||_\infty \\ &\stackrel{\phantom{Satz ...
3
votes
2answers
250 views

1-1 correspondence in Category Theory

I have seen that in Category Theory there is a symbol which seems like two parallel lines with text above and text below. This means that the thing above corresponds in an 1-1 way with the thing below....
1
vote
1answer
67 views

How is this equality symbol different from a regular equality (=) symbol? [duplicate]

I encountered the following equality symbol in a paper (page 4, Eq 4). I am not sure how it is different from a regular equality (=) symbol. What does this symbol mean? And how can I write it in ...
5
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3answers
240 views

Stacked math with lefthand braces around selected lines

Following \documentclass[varwidth]{standalone} \usepackage{amsmath} \usepackage{stackengine} \usepackage{xcolor} \renewcommand{\vec}[1]{\mathbf{#1}} \begin{document} \stackMath \begin{equation*} ...
1
vote
1answer
82 views

Is \, | \, equivalent to \mid?

Is \mid equivalent to \, | \, ? I am asking this because, \mid does not cooperate with \big. However \,\big| \, works fine. I typically use these expressions when defining sets, for instance:
4
votes
2answers
126 views

super and subscripts on stackrel variable

How I am trying to put a label above a variable omega. That works well but I cant find a better way to have the sub- and superscripts belonging to omega itself without a gap. using the superscripts on ...
6
votes
3answers
2k views

Symbol: Put a smile symbol under a plus

I would like to have a \smile symbol under a plus symbol. What I have so far is \newcommand{\pluss}{\raisebox{-.5ex}{\,$\overset{\textstyle{\raisebox{-0.5ex}{$+$}}}{\smile}$}\,} However, I would ...
4
votes
3answers
171 views

What is the best way to stacked subscripts for a matrix?

I use this code to generate subscript indexes for a matrix but stacked thanks to substack: \documentclass{standalone} \usepackage[utf8]{inputenc} \usepackage{amsmath} \begin{document} $(v_j^h)_{\...
2
votes
1answer
82 views

How can I make a circle with an arrow entering/leaving it?

I'm wondering how could I make a symbol (in math mode) that looks more or less like this: I need to introduce some symbols for my thesis, to represent some sets of elements that are 'entry points' ...
2
votes
2answers
118 views

How can I force resized mathmode symbols to respect fontsize changes?

I want to make a latex symbol that contains a resized math symbol using \scriptscriptsize. However, when the scope containing the symbol is subject to a font resize, the \scriptscriptsize-ed symbol is ...
1
vote
1answer
139 views

A best solution for \frac using mtpro2 fonts

Starting from this old this question How to make fractions in powers look good, I'm searching a optimal solution to aesthetically define a fraction of the type \frac{...}{...}. For my book I've used ...
4
votes
2answers
820 views

How to set letter above or below the symbol?

I have known \overset{K}{\|} to set above. However how to do like this:
3
votes
2answers
158 views

Using \vspace togehter with \hspace to place a citation over an image

I have an image I would like to don with a citation. However, placing the citation on top of the image has proven to be a bit of a challenge. Simply placing the citation after the image with \...
3
votes
2answers
225 views

Too much vertical space above \xrightarrow

I currently have the following shortcut in my LaTeX document for an isomorphism arrow: \usepackage{kpfonts,Baskervaldx,mathrsfs,calligra} \newcommand{\congto}{\xrightarrow{\sim}} This works fine, ...
0
votes
1answer
2k views

How to write over a double-ended arrow [duplicate]

I've come across how to write over a left or right facing arrow but not one that's double-ended. I tried this below (but with \ in front of both [ and ] but for some reason this won't typeset here) ...
6
votes
3answers
578 views

Spacing around \tilde{=}

How can I get proper spacing when using tilde over operator symbols? \begin{align*} x &= y\\ x &\tilde{=} b \end{align*} Yields: But I would like the tilde version to have the same kind of ...
3
votes
1answer
100 views

horizontal shift of sub- and superscript for \chi

I get a small horizontal displacement of sub- and superscript when using the letter \chi. It does not seem to appear for other letters. Does anybody know how to fix this? MWE: \documentclass{article}...
6
votes
2answers
1k views

Double checkmark symbol

How do I produce double checkmarks? Similar to this: \rlap{\checkmark}\checkmark overlaps one on the other
7
votes
1answer
407 views

How do I get a tilted equal sign for an equation?

For example, this is what I am looking for: Usually for limits where the value is 0 or 1 of a particular expression (e^x) in this case, you might see something like a tilted 45 degrees equal sign, ...
2
votes
1answer
6k views

Less-than OR Less-than-equal with one symbol

I want to write a less-than-equal sign with a brace around the equal sign. Something like this, but in "nice" (at the moment, it doesn't really look as expected): \documentclass{article} \usepackage{...
9
votes
2answers
191 views

Strange behavior of underset

Why aren't the arrows put under the equal sign if they are less than .7em or .3cm? \documentclass{article} \usepackage{mathtools} \usepackage{tikz} \usetikzlibrary{arrows.meta} \newcommand{\...
2
votes
1answer
182 views

Symbol similar to \pitchfork for tangent component

I want to define a symbol analogous to \pitchfork from amssymb, which I use meaning "transverse". My new symbol will stand for "tangent" and I want it to be a \cap with a horizontal bar over it, ...
3
votes
2answers
379 views

how to write multiple overlapping underbraces

I am trying to write overlapping underbraces for this equation and I can't get the second underbrace right! Any ideas?...
9
votes
3answers
170 views

Stacking thick bars below a symbol

I am using the following commands to place an arbitrary number of specialized, thick bars (\xbar) below a letter. \documentclass[prb,preprint]{revtex4-1} \usepackage{stackengine} \stackMath \...
7
votes
2answers
1k views

Math symbol similar to $\Pi$ but with crossed legs

I would like to realize a symbol that looks similar to a \Pi, but with its two legs crossed, like in an \mathrm{X}. In other words, I want the bar in \overline{\mathrm{X}} to be moved down just a ...
0
votes
2answers
2k views

How to get a “approximately follows distribution” symbol?

I want to create an "approximately follows distribution" symbol. It should be a \sim with one dot above and one below. I have tried using \underset and \overset, but I cannot get the dots to be the ...
8
votes
2answers
816 views

overlay symbols

I would like to overload some symbols. Basically they would take no space so \symbol1\symbol2\symbol3 would exist on the page in the same position as either one of the symbols. Ideally I'd like ...
5
votes
4answers
998 views

How to stack a symbol on another of same size but with no vertical centering?

I have something like \[a = \langle a + b, c + d, e + f \rangle\] But I want to stack another vector right above the right hand side, centered horizontally (with respect to corresponding elements ...
6
votes
2answers
689 views

How to properly format equation symbols

While writing a couple of equations, I stumbled upon a problem of poor spacing. Example in question: \documentclass{amsart} \usepackage{IEEEtrantools} \begin{document} \begin{IEEEeqnarray}{rCl} \...
1
vote
0answers
23 views

What is the LaTeX command for this symbol? Looks like \smile over a \frown [duplicate]

The symbol looks like this: In context: It occurs in the paper: "Linear type theory for asynchronous session types - S. J. Gay & V. T. Vasconcelos". What command can I use to generate this ...
2
votes
3answers
897 views

Align on equal sign when using stackrel (by defining a single command)

Edit. I realized that my anwer was not complete. Indeed I missed to state that I need a solution that works together with normal aligned stuff (i.e. without the \stackrel command). The first equation ...
3
votes
1answer
4k views

Consistent custom equality and subset symbols

I would like to produce a handful of symbols with the following descriptions: A subset (or rather \subseteq) symbol with the extra line replaced by a 'forward' arrow. A similar symbol with a '...
13
votes
5answers
8k views

How to get the \bar over a relation?

When adding a \bar to a relation the spacing around the relation is removed: \documentclass{article} \begin{document} $x > y$ $x \bar{>} y$ \end{document} So, how does one do this correctly?...
2
votes
2answers
7k views

Symbol to denote “weak star convergence”

how do I type the weak star convergence symbol, i.e. star symbol over \rightharpoonup? I tried \xrightharpoon{\ast}, but it is not working.
3
votes
1answer
5k views

How to print “~” in order to put text above it

How do I put text over symbols? gives some very good answers to placing text above a symbol (=), which works for many other symbols which as +, @ etc. However none of the solutions work for ~, I had ...