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How to factorize a polynomial in a Skew Polynomial Ring

I am trying this code, but it is not giving any output. However, the same code provides the factorization if I take the polynomial x^n+1, where n is an odd number.

k.<t>= GF(2^2)

sigma = k.frobenius_endomorphism()

S.<x>= k['x', sigma]

a=x^3+1;

count = a.count_factorizations()

print(f"Number of factorizations: {count}")

factorizations = a.factorizations()

print("Factorizations of the polynomial:")

for factorization in factorizations:

print(factorization)

How to factorize a polynomial in a Skew Polynomial Ring

I am trying this code, but it is not giving any output. However, the same code provides the factorization if I take the polynomial x^n+1, where n is an odd number.

k.<t>= GF(2^2)

GF(2^2) sigma = k.frobenius_endomorphism()

k.frobenius_endomorphism() S.<x>= k['x', sigma]

a=x^3+1;

sigma] a=x^3+1; count = a.count_factorizations()

a.count_factorizations() print(f"Number of factorizations: {count}")

{count}") factorizations = a.factorizations()

a.factorizations()

print("Factorizations of the polynomial:")

polynomial:") for factorization in factorizations:

factorizations:
 print(factorization)

How to factorize a polynomial in a Skew Polynomial Ring

I am trying this code, but it is not giving any output. However, the same code provides the factorization if I take the polynomial x^n+1, where n is an odd number.

k.<t>= GF(2^2)
sigma = k.frobenius_endomorphism()
S.<x>= k['x', sigma]
a=x^3+1;
a=x^4+1;
count = a.count_factorizations()
print(f"Number of factorizations: {count}")
factorizations = a.factorizations() 
print("Factorizations of the polynomial:")
for factorization in factorizations:       
    print(factorization)