Affine hypersphere Friction-induced vibration Biharmonic hypersurfaces Calabi product immersion Tchebychev hypersurface Primary 53C42 Affine hypersurfaces Conformally flat hypersurface A-points of L-functions Quadratic Eigenvalue Problem A-points de fonctions L Gauss map Nearly Kähler S3×S3 Kaehler manifolds Differential geometry of local submanifolds Δ-invariants and basic inequalities Affine metric Centroaffine hypersurface Simons type integral inequality The complex hyperquadric Minimal Lagrangian submanifold Distribution of zeros Le critère de Li Minimal submanifolds Difference tensor Ideal submanifolds Δ-invariants Nonlinear vibration L'hypothèse de Riemann La classe de Selberg Ellipsoid Shape operator Répartition des zéros Spectral geometry H-umbilical Lagrangian submanifold Selberg class Riemann hypothesis Compact symmetric spaces Hyperovaloid Minimal Lagrangian submanifolds Chen and Nagano’s two-numbers Formes modulaires et fonctions L associées Parallel Ricci tensor Complex space form Riemannian submersion Affine hypersurface Homotopy Levi-Civita connection Isoparametric hypersurface Li criterion Lagrangian submanifold Modular forms and associated L-functions Einstein hypersurface Secondary 53B25 Optimal inequality Hopf hypersurface Pseudo Riemannian geometry Constant sectional curvature 53D12 Projection Riemannian submersions Finite type theory for maps and immersions Biharmonic maps Product submanifold Nearly Kähler geometry Perturbation Constant mean curvature