# Differences

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

groups [2012/06/15 23:09] jipsen |
groups [2012/06/15 23:11] (current) jipsen |
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It follows that $e$ is a right-identity and that $^{-1}$gives a right | It follows that $e$ is a right-identity and that $^{-1}$gives a right | ||

inverse: $xe=x$, $xx^{-1}=e$. | inverse: $xe=x$, $xx^{-1}=e$. | ||

- | |||

- | This definition shows that groups form a variety. | ||

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

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f(18)= &5\\ | f(18)= &5\\ | ||

\end{array}$ | \end{array}$ | ||

+ | |||

Information about small groups up to size 2000: http://www.tu-bs.de/~hubesche/small.html | Information about small groups up to size 2000: http://www.tu-bs.de/~hubesche/small.html | ||

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