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asked 7 years ago

TWJ gravatar image

(how/can) i declair this isomorphism

Hi,

let U be a square matrix of order m over Fq, more precisely U is the companion matrix of a monic irreducible polynomial over Fq that define Fqm .

let α be a primitive element of Fqm

I wish to declare this morphism to compute some examples with SAGEMATH

ψ: Fqm Fq[U]

α & ψ(α)=U

thanks in advance;

(how/can) i declair this isomorphism

Hi,

let U be a square matrix of order m over Fq, more precisely U is the companion matrix of a monic irreducible polynomial over Fq that define Fqm .

let α be a primitive element of Fqm

I wish to declare this morphism to compute some examples with SAGEMATH

ψ: Fqm Fq[U]

α & ψ(α)=U

thanks in advance;

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updated 5 years ago

FrédéricC gravatar image

(how/can) i declair this isomorphism

Hi,

let U be a square matrix of order m over Fq, more precisely U is the companion matrix of a monic irreducible polynomial over Fq that define Fqm .

let α be a primitive element of Fqm

I wish to declare this morphism to compute some examples with SAGEMATH

ψ: Fqm Fq[U]

α ψ(α)=U

thanks in advance;