# Math Help - Norm

1. ## Norm

If we have N:F_q^n ....> F_q , be the norm function . can any one explian how the map N is surjective .

2. Originally Posted by Mike12
If we have N:F_q^n ....> F_q , be the norm function . can any one explian how the map N is surjective .
Precisely what kind of 'norm' is this? A field norm or a vector space norm?

3. Originally Posted by Drexel28
Precisely what kind of 'norm' is this? A field norm or a vector space norm?
Hi,
It is a field Norm.