Apparently, this user prefers to keep an air of mystery about them.
19 Is the Invariant Subspace Problem interesting? dec 10 '10
18 Given a lattice L with n elements, are there finite groups H < G such that L $\cong$ the lattice of subgroups between H and G? jan 15 '12
9 Which finite nonabelian groups have long chains of subgroups as intervals in their subgroup lattice? apr 21 '11
5 Non-commutative Fourier transform jun 5 '12
4 Good lattice theory books? dec 9 '10
3 A basic question about selfnormalizing subgroups dec 8 '10
3 Equational definition of Residuated Lattices jan 16 '12