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:
