6 problems.
- Cayley–Hamilton theorem
- Real linear independence over \(\mathbb{C}\); real eigenvalues of real matrices
- Pseudo-inverse gives the minimal \(2\)-norm least-squares solution
- Twisting irreducible characters by a linear character; pointwise similarity of representations
- Group determinant via the regular representation and a circulant evaluation
- Character values on conjugate partitions of \(S_n\)