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<p>&nbsp;<p>
<hr noshade size="5">
<h2><a name="AlffDimExactConstField"></a>
AlffDimExactConstField
</h2>

Returns the k-dimension of the exact constant field
\widetilde k
of an algebraic function field F/k(T).

<p><p>

<h3>
Syntax:
</h3>
<pre>l := AlffDimExactConstField(F);</pre>

<p>

<table>
<tr>
<td>integer</td>
<td><pre>  l  </pre></td>
<td></td>
</tr>
<tr>
<td>algebraic function field</td>
<td><pre>  F  </pre></td>
<td></td>
</tr>
</table>

<p>


See also:&nbsp;&nbsp;<a href="kashref.html#AlffConstField">AlffConstField</a>

<p>

<h3>
Description:
</h3>
The function returns [\widetilde k:k], where
\widetilde k is the algebraic closure of k in F.

<p><p>

<p>
<hr>
<p>
<h3>
Example:
</h3>

<pre>

kash> AlffInit(FF(5,1));
"Defining global variables: k, w, kT, kTf, kTy, T, y, AlffGlobals"
kash> AlffOrders(y^6 + (2*T^4 + 1)*y^3 + T^8 + T^4 + 2);
"Defining global variables: F, o, oi, one"
kash> AlffDimExactConstField(F);
> 2

</pre>

<p>


<hr>

<p>
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