# Differences

This shows you the differences between two versions of the page.

bands [2010/08/18 22:41] jipsen |
bands [2010/08/18 22:44] (current) jipsen |
||
---|---|---|---|

Line 9: | Line 9: | ||

==Morphisms== | ==Morphisms== | ||

Let $\mathbf{B}$ and $\mathbf{C}$ be bands. A morphism from $\mathbf{B}$ | Let $\mathbf{B}$ and $\mathbf{C}$ be bands. A morphism from $\mathbf{B}$ | ||

- | to $\mathbf{C}$ is a function $h:Barrow C$ that is a homomorphism: | + | to $\mathbf{C}$ is a function $h:B\to C$ that is a homomorphism: |

$h(xy)=h(x)h(y)$ | $h(xy)=h(x)h(y)$ | ||

Trace: