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bands [2010/08/18 22:41] jipsen |
bands [2010/08/18 22:44] (current) jipsen |
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==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: |
$h(xy)=h(x)h(y)$ | $h(xy)=h(x)h(y)$ | ||
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