These are the arrows that come with standard LaTeX. The latexsym and amsfonts packages contain many more.
| Symbol | Command | |
|---|---|---|
| ⇓ | \Downarrow |
|
| ↓ | \downarrow |
|
| ↩ | \hookleftarrow |
|
| ↪ | \hookrightarrow |
|
| ← | \leftarrow |
|
| ⇐ | \Leftarrow |
|
| ⇔ | \Leftrightarrow |
|
| ↔ | \leftrightarrow |
|
| ⟵ | \longleftarrow |
|
| ⟸ | \Longleftarrow |
|
| ⟷ | \longleftrightarrow |
|
| ⟺ | \Longleftrightarrow |
|
| ⟼ | \longmapsto |
|
| ⟹ | \Longrightarrow |
|
| ⟶ | \longrightarrow |
|
| ↦ | \mapsto |
|
| ↗ | \nearrow |
|
| ↖ | \nwarrow |
|
| ⇒ | \Rightarrow |
|
| → |
\rightarrow, or \to
|
|
| ↘ | \searrow |
|
| ↙ | \swarrow |
|
| ↑ | \uparrow |
|
| ⇑ | \Uparrow |
|
| ↕ | \updownarrow |
|
| ⇕ | \Updownarrow |
An example of the difference between \to and \mapsto is: \( f\colon D\to C \) given by \( n\mapsto n^2 \).
For commutative diagrams there are a number of packages, including tikz-cd and amscd.
© 2007–2018 Karl Berry
Public Domain Software
http://latexref.xyz/Arrows.html