4 problems.
- Groups of order 2012
- The dihedral presentation \(G_n=\langle a,b\mid a^2=b^2=(ab)^n=1\rangle\): order and irreducible representations of \(G_4\)
- Kernel of a map of finitely generated free modules over a PID is a direct summand; the image need not be
- Galois groups of \(x^4+4x^2+1\) and \(x^4+4x^2-5\) over \(\QQ\)