Graphics, Figures & Tables ⇒ Creating Nice Commutative Diagrams

[mrotsliah]

I would like to reproduce this figure:

Screen Shot 2014-02-04 at 1.24.38 PM.png (17.93 KiB) Viewed 5327 times

Using xypic, my best attempts looks like

Screen Shot 2014-02-04 at 1.29.39 PM.png (19.51 KiB) Viewed 5327 times

or

Screen Shot 2014-02-04 at 1.39.48 PM.png (19.15 KiB) Viewed 5327 times

Notice how the longer formula on the second line stretches out the top line.

What Package(s) could I use to create the top image?

Thanks.

[mas]

Have you tried using tikz-cd which helps in drawing commutative diagrams? Of course, I have never used it as I do not need commutative diagrams

[Stefan Kottwitz]

mas' suggestion is very good. I also used pure TikZ for it. Examples:

• Commutative diagram
• Commutative diagram with crossing edges

tikz-cd gives a convenient way and hides the complex TikZ syntax. But TikZ is great, you may see it if you click the examples and look at the rest of that TikZ gallery.

Stefan