Multiplication of polynomials in Z/pZ field
117005
Rules in the ring with coefficients in finite field $\mathbb{F}_p$
128550
Algebraic field extension and intermediate integral domain
46795
Explicit construction of a finite field with $p^n$ elements
20613
Units (invertibles) of polynomial rings over a field
145279
Compute the (multiplicative) inverse of $4x+3$ in the field $\frac {\Bbb F_{11}[x]}{\langle x^2+1 \rangle}$?
14270
Polynomial divisibility is unchanged by coeff. field extension
48093
Irreducible polynomial in field extension
129050
Find the number of non-zero squares in the field $Zp$
74777
Solvability and reducibility of a polynomial in a "chain" of finite fields
1060
Minimal polynomial of intermediate extensions under Galois extensions.
7899
Show that if $p$ is prime then $\Bbb Z_p$ is a field
8255
Real polynomials from repunits to repunits ( Putnam 2007 A4)
96116
Show $P(z) $ is a polynomial of degree $n-1$ interpolating an Analytic function.
149381
Relating the base-p periodic expansion of a rational to its p-adic representation
79425
Prove the direct product of nonzero complex numbers under multiplication.
95692
Factoring polynomials of the form $1+x+\cdots +x^{p-1}$ in finite field
127304
Understanding the algebra of polynomials on a linear space