1 files changed, 17 insertions, 0 deletions
diff --git a/ga/n1.lyx b/ga/n1.lyx
index 7f4aadf..d42ecd1 100644
--- a/ga/n1.lyx
+++ b/ga/n1.lyx
@@ -2929,6 +2929,23 @@ conjugación
 \end_inset
 
  tenemos un automorfismo.
+ Entonces llamamos 
+\series bold
+norma
+\series default
+ a la aplicación 
+\begin_inset Formula $N:\mathbb{Z}[\sqrt{d}]\to\mathbb{Z}$
+\end_inset
+
+ o 
+\begin_inset Formula $N:\mathbb{Q}[\sqrt{d}]\to\mathbb{Q}$
+\end_inset
+
+ dada por 
+\begin_inset Formula $N(a+b\sqrt{d}):=(a+b\sqrt{d})(a-b\sqrt{d})=a^{2}-b^{2}d$
+\end_inset
+
+.
 \end_layout
 
 \begin_layout Enumerate