hsfzLZH1's Homepage
2026
- From taming to compatibility in four dimensions
- Infinitely many distinct closed geodesics on every sphere
- How large can the singular set of a stationary surface be?
- When every geodesic minimizes for the same distance
- Einstein four-manifolds from positive curvature to a topological gap
- Which topological counts constrain Hamiltonian fixed points?
- The first minimal-hypersurface volume above an equator
- Nodal size: a sharp surface bound and higher-dimensional failures
- A Calabi flow that becomes singular before reaching a canonical metric
- Balls, tubes and slabs: the least-area shapes in a periodic cube