hsfzLZH1's Homepage
2026
- Continuous symmetries of manifolds must form Lie groups
- Four-dimensional disk embedding and a duality group with no manifold model
- A nontrivial knot remembers its surgery slope
- Finite spectra that remove the first chromatic parameters
- Large-scale topology can disappear under coarse assembly
- Exactly three survivors in the prime-three Kervaire family
- Recovering spaces from paths and all their higher homotopies
- Finite arithmetic in every degree of the local sphere
- The topology of elementary subgroups detects a normal p-subgroup
- Why square-summable topology should concentrate in dimension two