20 problems.
- Real matrix with prescribed invariant subspaces and minimal polynomial
- Real matrix roots of four matrix equations
- Commutator subgroup of an affine semidirect product
- Conjugates of a subgroup in a finite group
- Boundedness of solutions of \(x'=-x+y\), \(y'=\log(20+x)-y\)
- The integral of a branch of \(\sqrt{z^2-1}\) around \(\abs{z}=2\)
- Conformal map from a half-disk to the disk
- Uncountably many connected components in a subset of the real line
- Absolute and conditional convergence of a logarithmic power series
- Hessian criteria for minima and uniqueness of critical points
- Finite groups as permutation and even-permutation groups
- Common normal line to two surfaces
- \((x^3+2x+1)^{50}\) modulo the ideal \((x-5,14)\) of \(\ZZ[x]\)
- Normal form for anticommuting involutions
- Left and right radicals of a bilinear form have equal dimension
- Subsequence convergence for oscillatory functions
- Fixed point of a monotone real function
- Zeros of a polynomial in an annulus
- A positive-coefficient meromorphic series has a positive real pole
- Global solution of a scalar autonomous ODE