Questions tagged [xy-pic]

{xy-pic} is a package for typesetting graphs and {commutative-diagrams} using the principle of "logical composition of visual components."

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62
votes
6answers
12k views

How do you draw the “snake” arrow for the connecting homomorphism in the snake lemma?

How does one draw the "snake" arrow for the connecting homomorphism when using the snake lemma? I'd also be interested in drawing similar arrows act as "carriage returns" when considering a long ...
25
votes
2answers
11k views

How to draw commutative diagrams?

Can anyone help me in giving commands for commutative diagrams in LaTeX ? It doesn't seem to appear properly in the LaTeX guides that I have. A command for a simple triangular diagram with arrows ...
20
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2answers
5k views

How to make nice braids diagrams

This question led to a new package: braids — Blog: The Braids Package I search to draw braids diagram, if possible in xy-pic. I already know how to do that with the knot module and some low-level ...
15
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4answers
2k views

Bending snakes with xy-pic

This is a follow-up to this question: How do you draw the "snake" arrow for the connecting homomorphism in the snake lemma? I'm trying to emulate this snake diagram Aluffi does in his book "...
9
votes
1answer
8k views

Coloring arrows in \xymatrix

Is there a way to color certain (but not all) arrows using \xymatrix? I wish the following ignorant attempt would work!! \usepackage{xypic,color} \begin{document} \[ \xymatrix { X\ar[r]\color{red}{\...
10
votes
1answer
1k views

Natural transformation arrow

I'm trying to do the following with xymatrix: This is a diagram I drew sometime ago... But now I don't have the source and I can't remember how I did it, nor can I find an easy, simple way to do it. ...
6
votes
3answers
2k views

Is there a way to uncover arrows in an xymatrix?

Is there a way to uncover arrows in an xymatrix? Usually when I have problems with \uncover I use multiple frames, but I would like to be able to do this on a single frame. Here is a sample: I would ...
5
votes
1answer
275 views

Bad interaction between babel and xypic?

I'm writing an elaborate in Italian, and I'm using XY-pic to draw some diagrams. Unfortunately it seems that babel is interacting with XY-pic, making it impossible to group elements. Here is a MWE: \...
5
votes
1answer
290 views

How to draw this diagram

Please help me to draw the following diagram: \begin{displaymath} \xymatrix{ H\ar[r]&H .1={}_HI_Q\supset 1.Q&Q\ar[l]_\epsilon^{\cong} \\ &R\ar[u]\ar[r]&R\ar[u] } \end{displaymath}
15
votes
5answers
5k views

Pushouts and pullbacks

How do I typeset that little symbol which indicates that a commutative square is a pushout or pullback square? I usually draw my diagrams in XY-pic, so I'd be most interested in how to do it there. ...
13
votes
3answers
5k views

Commutative diagram with rounded arrows

I want to draw a diagram which has some arrows between to points A and B. First arrow goes straight from A to B and above it should be a $\Psi$. Second arrow goes in a round way from A to B and above ...
8
votes
2answers
2k views

Showing arrows crossing over or under other arrows in xy-pic without knots

I have an xymatrix in which two arrows cross each other, say \xymatrix{ \ar[dr] & \\ \ar[ur] & } and I would like one arrow to cross over the other. I also want to to be able to do this ...
10
votes
3answers
1k views

Which package should I use for doing a connecting homomorphism diagram like this in latex

which package should I use for doing a diagram like this in latex:
7
votes
4answers
788 views

2-morphisms for 2-category: don't understand how to draw

Can't understand how to draw it.
10
votes
1answer
926 views

How do I make the arrow -->— using xymatrix?

I do not know any TikZ so I cannot use this post, which otherwise is precisely what I am looking for. So how do I make such a square? The best I could come up with was \ar@{-}[r]^{\delta}|-{>} ...
5
votes
3answers
1k views

Gaps between arrows and labels

I have a question about my diagram. How can I increase the gap between the arrows and the labels? I would like to have more space between the left arrow and the label (2). Thanks for any suggestions. ...
3
votes
1answer
2k views

Loop arrow in xypic

I am trying to get a loop arrow in an xypic diagram, and I just can't. For now, I have the following: \[\xymatrix{ p^{-1}(U_{\alpha})\ar[rr]^-{\tau_{\alpha}} & & U_{\alpha}\times\mathbb R^k\...
8
votes
1answer
420 views

Using xy-pic, how do you label an arrow with a curly brace that spans the length of the arrow, and can be offset arbitrary distances?

I'm trying to figure out how to label the arrows with curly braces that span the length of the arrow, and to make it all very pretty. More specifically, I'm trying to make \documentclass[10pt]{...
6
votes
1answer
465 views

Cannot draw diagram

I'm trying to draw a diagram but I get the following error message: ! Xy-pic error: in entry "1,1": No [ld] (is "2,0") from here. The code is: \xymatrix{A\times B \ar[ld]_p \ar[rd]_q\\ &...
6
votes
1answer
288 views

How do I discover the shorthands defined by babel in my language?

The reason I want to do it is that I want to set brazilian language in babel and I want to use xy-pic package, but I have to use it inside an environment in which the shorthands are off.
4
votes
2answers
881 views

Dotted and bent xy matrix arrow has non-dotted turns

I have this diagram I'm doing with xypic, and I want to make bent arrows going from the top to the bottom of the diagram. So I re-learn the syntax for bending around entries. THen I decide I want ...
3
votes
1answer
780 views

\xymatrix undefined

I am trying to use xy package to draw some diagrams. So I use the command \usepackage{xy} and I type a sample as follows: \xymatrix{ A &*+[F]{\sum_{i=n}^m {i^2}} \\ & {\bullet} & D \...
3
votes
2answers
246 views

Extra whitespace at top of xymatrix

I'm making some slides where I want to show permutations with little diagrams of dots and arrows. Here is my attempt to depict the permutation 12345 --> 31245: \documentclass{article} \usepackage[...
2
votes
1answer
733 views

Pyramid Commutative Diagram for Cones

In the second edition of Awodey's Category Theory he suggests visualizing a cone as a many sided pyramid. I'd much like to make the proper commutative diagrams, but I don't know how to make a many ...
1
vote
1answer
406 views

Label the source/target object in the middle of compositemaps from 2cell package of xy?

In the 2cell package for xy, there is a command for typesetting 2cells between composite arrows, namely \..compositearrow (where the .. stands for some number of u,l,d,r). I would like to use this ...
7
votes
3answers
5k views

Adding arrows to each term of an equation

\documentclass{beamer} \usepackage[all]{xy} \begin{document} \section{Introduction} \xymatrix{ &*+{\sum_{i=n}^m {i^2}} &*+{+}&*+{p} \\ & {\bullet} & D \ar[ul] && f \ar[ul] }...
11
votes
3answers
11k views

Is there a way to resize a figure created with xymatrix?

I've drawn some figures using xymatrix, but they're much larger than I'd like them to be. Is there a way to resize them? I'd be happy to cut them down to a fixed percentage of the original or to a ...
9
votes
1answer
431 views

Bending arrows in xy-pic

This question almost duplicates Bending snakes with xy-pic, but I need something slightly different from the solutions presented there. I spent some time trying to figure out how arrow bending works ...
12
votes
3answers
676 views

Circling a collection objects in xymatrix

I have the following code that produces a bicomplex: \begin{displaymath} \xymatrix{ 0 \ar[r] & \Omega^0_X \ar[d] \ar[r] & \Omega_X^1 \ar[r] \ar[d] & \ldots \ar[r] & \Omega_X^n \ar[d] \...
6
votes
1answer
1k views

TeX figure to .png

Let me begin with a confession: when someone says ``command line'' I nearly pee because I get so scared. I know that means I'm asking my question to the wrong community, and yes, I'm seeing someone ...
6
votes
1answer
741 views

Problems rotating arrow labels

Xypic offers many placement and formatting options for labels, including rotation. However, I can't get this last feature to work correctly. I have two problems with this: with some inclinations ...
2
votes
1answer
5k views

Commutative diagram with curved arrows, colour, and changing the style of arrows

I am using xy matrix and I would to curve an arrow over other arrows in a diagram, at the same time as setting some of these curved arrows to equal and changing their colour. This is what I have so ...
2
votes
2answers
688 views

Multiple holes in arrows in xypic

I am trying to make a diagram where two arrows will be crossing one arrow. I have the current code for putting in one hole: \Omega \ar[r]|(.35)\hole^-{d} \ar[d]^-{e_*} which seems to work just fine....
11
votes
2answers
2k views

Can't draw a commutative diagram

I'm trying to draw a commutative diagram using xymatrix: $\xymatrix{ S \ar@[ld]^{\pi_{i}} \ar@[rd]^{\pi_{j}}\\ R_{i} \ar[r]_{\mu_{ji}} & R_{j} }$ without any luck. Any idea? EDIT: I'm trying to ...
6
votes
2answers
778 views

Wavy arrows in xy-pic

What method should I use, to draw beautiful wavy arrows. So far I tried the following. I use xy-pic package, there I use @{~>} definition for the arrow. The code I've composed is like this: \...
6
votes
3answers
244 views

Problems with special arrow shaft in xypic

I'm trying to draw a diagram my teacher drew on the blackboard to summarize divisibility relationships and I just can't get it right. Here is my best attempt: \documentclass[a4paper]{report} \...
5
votes
1answer
1k views

xypic produces error when I try to use any arrow style

I have a very annoying issue with xypic. I'm trying to typeset an exact sequence, one of which morphisms is the inclusion, so I'd like to use the inclusion arrow ↪. The problem is that when I use ANY ...
5
votes
2answers
4k views

ways to indicate commutativity and non-commutativity of a diagram when using xymatrix

I used the following code, but \circlearrowleft looks no good in this diagram. I would like to know if there is a better way to indicate the commutativity. Also, is there any way to indicate non-...
5
votes
2answers
654 views

Change the orientation of Arrow of xtwocell in the 2cell option for xy

I'm trying to make a diagram similar to this (from wikipedia) Except that I want to the double arrow $\eta$ two be pointing from node $B$ toward the middle of arrow $X$ (it is, after all, a natural ...
5
votes
2answers
611 views

Drawing a “spider” web of arrows in tikz-cd [for Halloween]

For Halloween or not, I am trying to make the following-like "spider" web diagram through tikzcd, roughly like this (of course I am just drawing the more ugly version of it, the arrow should be thin) ...
4
votes
1answer
173 views

Custom commands for `xymatrix` paths

I would like to define a custom command to replace \ar@{->}`r[d]`[l]`[llld]_-{\delta}`[d][lld] in this bit of code: \[\xymatrix{ \cdots\ar@{->}[r] & H_n(X)\ar@{->}[r] & H_n(Y)\ar@{-&...
4
votes
2answers
1k views

Better arrowheads in commutative diagrams

The Fourier package gives a different look for the arrowheads, which looks nice to me. I also want to use this arrowhead in the commutative diagrams. I have tried Taylor's diagrams package, xy-matrix, ...
4
votes
3answers
1k views

xypic: How to typeset the dashed line in this diagram?

I use xypics for diagrams, but I don't know how to put the dashed line in the diagram below. Search didn't find much. Can anybody here help?
3
votes
1answer
190 views

Composition in a multicategory

I am trying to figure out how to draw composition in a multicategory using same depiction used in Leinster's book "Higher Operads, Higher Categories". Here is what I am trying to draw: I did ...
3
votes
2answers
1k views

vertical $\cong$ or $\sym$ in xymatrix

I need to show that a certain vertical arrow in a commutative diagram is an isomorphism. I would like to either add a $\sim$ next to the vertical line, rotated 90 degrees, or replace the arrow with a ...
2
votes
1answer
1k views

Moving the position of an arrow in XY-pic

Any arrow in XY-pic is on a line which goes through the CENTER of a box, and points to the CENTER of another one. Is it possible to change SEPARETELY (the problem lies here!) the starting position and ...
2
votes
1answer
204 views

What is “\SelectTips{a}{b}” (and how to increase the head of an arrow's head?)

At is \SelectTips{a}{b} and is the meaning of {a} and {b}? I know that the first one changing the type of the arrow, but what is the second one? The value there can be only 10,11,12.... And if I can ...
8
votes
2answers
477 views

How to position hole in an arrow in xypic

trying to draw a 3D commutative diagram here and getting really stuck trying to get the hole in one of the arrows in the right place, you should see which one I mean as there is only one crossover. ...
6
votes
2answers
995 views

Problem bending arrows in xypic

I'm having an annoying problem bending an arrow with xypic. I read the part 2.8 of the manual (http://www-bcf.usc.edu/~cautis/tools/xypic.pdf‎) about bending arrows, but could not understand it. Here'...
6
votes
1answer
583 views

dotted or colored arc in \xymatrix

Does not arrows style or color option apply an arc in \xymatrix? Please let me know the way. \documentclass{article} \usepackage[arrow, matrix]{xy} \begin{document} \[ \xymatrix{ A \ar@{.&...