Wedgie/Archived version: Difference between revisions
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The original [math] (e_{19}, e_{31}) [/math] is a different basis of the nullspace. In matrix terms the connection between them is as follows. If | The original [math] (e_{19}, e_{31}) [/math] is a different basis of the nullspace. In matrix terms the connection between them is as follows. If | ||
[math] \displaystyle A=\begin{pmatrix} 19&30&44&53\\31&49&72&87\end{pmatrix} | [math] \displaystyle A=\begin{pmatrix} 19&30&44&53\\31&49&72&87\end{pmatrix}[/math] | ||
[/math] | |||
then its Hermite (normal) form is | then its Hermite (normal) form is | ||
[math] \displaystyle H=\begin{pmatrix} 1&0&-4&-13\\0&1&4&10\end{pmatrix} | [math] \displaystyle H=\begin{pmatrix} 1&0&-4&-13\\0&1&4&10\end{pmatrix}[/math] | ||
==Truncation of wedgies== | ==Truncation of wedgies== | ||