4
votes
2answers
62 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
211 views

Frown with arrow

I'd like to know if there's a symbol in math mode like \frown but with an arrow in its end. Like this: (I just love using paint hahaha) Thanks! :)
5
votes
2answers
90 views

Create longer arrows

I currently use two relation symbols as shown below. However, as I need to put in quite a bit of information above and, in the first case, also below the arrow, I'd like to have longer arrows. In my ...
16
votes
3answers
713 views

Detexify couldn't help me find >— and —<, can you?

These symbols are like arrow, except the arrow heads are inverted. Some ASCII art: >-- or --< Could you help?
1
vote
2answers
71 views

latex math symbol for pointer in object oriented context

I need to use the pointer symbol (like P->a) in math latex. If I use normal characters like hyphen and > it doesn't look good. I guess there should be a specific symbol for it in latex, but I didn't ...
1
vote
2answers
109 views

Is there a painless way to get self-loop decorations on mathematical symbols?

In mathematics, we often write X \rightarrow Y to mean a function from X to Y. Now I'd like to denote a function from X to X via a looping-arrow decoration on the top right-hand corner of X. Is ...
8
votes
2answers
446 views

Is there a short diagonal pointing arrow symbol?

I understand that the package stmaryrd has a shorter version of the \rightarrow, \shortrightarrow, I wonder if there's a short version of the diagonal arrows (e.g. \searrow) and if not, if there's an ...
7
votes
2answers
536 views

Is there a logic symbol for counterfactuals

I am looking for a symbol that looks like: []--> So far I came up with $\Box\rightarrow$. The problem with this is, that the arrow is too far away from the box: How could I achieve this so that ...
1
vote
0answers
62 views

Is there an extensive library of arrow tips with a standardized naming convention?

I am drafting diagrams where I need a lot of different arrow tips to indicate different types of directionality. Currently I am using a mixed set of libraries, which I mainly found through detexify. ...
6
votes
2answers
217 views

Straight math arrows

Is there any way to redefine all arrows in math mode (\rightarrow, \leftarrow, \Rightarrow, \Leftarrow, \to, etc.) to another arrows that finish with angle 90 TikZ option? I have done some tries and ...
2
votes
1answer
360 views

Math symbols in tt font

I am trying to typeset some mathematics all in typewriter font; aiming to emulate the appearance of a particular computing environment. However, \mathtt in math mode doesn't appear to affect the ...
1
vote
1answer
139 views

How to create dashed right arrow over symbol?

Recently I asked this question: Dashed left arrow over symbol I needed to know how to put an dashed left arrow over a symbol. I received two answers, one of them used Tikz for this, other use pure ...
4
votes
2answers
241 views

Arrow heads on \twoheadrightarrow

The arrow heads on \twoheadrightarrow don't look like the arrow heads on \rightarrow and \hookrightarrow. Is there some way of fixing this? For instance, the code \documentclass{article} ...
6
votes
2answers
219 views

Dashed left arrow over symbol

I want to put dashed left arrow over symbol. Dashed left arrow looks like this: $x \dashedleftarrow y$ I want arrow to be over symbol $x$, like in $\overleftarrow{x}$ , only dashed. I tried ...
7
votes
1answer
423 views

Typesetting inline Penrose/Cvitanovic tensor diagrams (birdtracks)

In the 50's, Roger Penrose invented a private graphical notation for tensors, which he later published. Wikipedia has a short description. It's basically a directed graph with some labels on it and ...
3
votes
2answers
361 views

Adding symbols at the end(s) of a horizontal line

I'm looking for variations of the symbol \relbar, or any other horizontal line that is about as along as a standard-length arrow. In particular, I'd like to be able to add arrowheads, as in ...
3
votes
1answer
225 views

Arrow with a point on it and cancelled arrow

I stumbled over this kind of arrows and can't find any reference to it (since I not even know how they're called). Does anyone know the right command for those? Or are this constructed elements? ...
2
votes
1answer
624 views

Searching for up and down arrow symbol (⇅)

Whats the command for this symbol: ⇅ I've found ⇈ \upuparrows but I can't find the other one.
4
votes
5answers
651 views

Looking for a symbol (arrow with dot)

I am looking for this symbol: I recently discovered it in a paper. However, I was not able to find it in the "Comprehensive List" (symbols-a4.pdf) or anywhere else.
7
votes
1answer
2k views

How to typeset inclusion arrow?

I would like to know what is the best way to do an inclusion arrow, using xy or tikz. I know that there is a command for an arrow, like \to, for inclusions, but this is not expansible. What do you ...
3
votes
0answers
398 views

\upharpoonright problem [closed]

Sometimes \upharpoonright prints the "restriction" (as it is supposed to do) on the output text file, but sometimes it prints horizontal bars (on top of the line) - which I don't know how to correct. ...
7
votes
3answers
3k views

“Broken” arrow symbol

In his pretty awesome book “Undergraduate Algebraic Geometry” M. Reid uses (e.g. see page 4) symbol of “broken” arrow (which looks quite a like dash+space+short arrow : “- →”) for partially ...
9
votes
5answers
1k views

Symbol for “rotate around axis”

I have two pictures of an object where I need to indicate that one is rotated by x° (around a certain axis), preferably with the arrow in the picture - BUT - I can't seem to find this arrow in the ...
5
votes
1answer
3k views

Yield symbol (chemistry)

I'm trying to format a chemical reaction with LaTeX, and apparently it doesn't accept "→" as a character. Is there any way to do it?
8
votes
4answers
2k views

How to use \leadsto in LaTeX2e?

I tried to draw an arrow with the command \leadsto But I get the following exception: ! LaTeX Error: Command \leadsto not provided in base LaTeX2e. So how can I draw such an arrow? I tried to ...
1
vote
1answer
448 views

math.SE-compatible LaTeX for diagrams with non-horizontal “decorated” arrows?

I'm looking for LaTeX directives that I can use in posts to math.SE to make category-theory-style diagrams that use non-horizontal (vertical, slanted, curved) arrows, both "plain" (i.e. the ...
4
votes
2answers
1k views

Easy way to type more kinds of arrows?

There is \rightrightarrows to produce two parallel arrows, \longrightarrow to produce a longer arrow and \xrightarrow to produce an extendable arrow. But is there an easy way to produce two long ...
2
votes
1answer
475 views

How to create \ssearrow with two heads

I'm using \ssearrow to denote a deformation retraction in algebraic topology. I want to use the same arrow, but with two heads for a strong deformation retraction. It doesn't exist in MnSymbol. Is ...
10
votes
1answer
386 views

Acronyms with an arrow in front of them

I'm using the acronyms package and I wonder if there's an easy way of marking acronyms as such by putting an arrow in front of them?
0
votes
3answers
720 views

Command for horizontally flipped newline symbol

I'm looking for the command to produce the often used symbol indicating a line break --- but flipped horizontally. So basically this symbol: | | | \ |------ / It should fit within one line ...
5
votes
3answers
13k views

Arrow with text above

I am drawing an arrow using the following command: $ \xleftarrow{\mbox{\tiny{BCast}}} $‎. I have tested the command in two different environments: TeXShop (MacOS, uses TeX Live) outputs an arrow ...
5
votes
1answer
1k views

Change arrow head of \xrightarrow[]{}

I am using \xrightarrow{} in many places in my document. I want to change the tip to look like the one that gets produced by -latex. I am trying to get a similar tip for the \xrightarrow{} macro.
14
votes
1answer
3k views

Extending arrows with overset text

I'd like to extend an arrow to allow better readability of characters which are overset using \overset{}{}. Right now I have \overset{k_1}{\rightleftharpoons} which produces: and this leaves ...
10
votes
5answers
2k views

How do I stack more than two arrows in math mode?

The command \rightrightarrows (from amssymb) draws two arrows, one on top of another. How do I get three arrows arranged in a similar fashion? An example of this (and other fancy arrow stackings) ...