Title: Spectral geometry
Subjects: Ordinary differential equations -- Asymptotic theory -- Asymptotic expansions, Partial differential equations -- Spectral theory and eigenvalue problems -- Estimation of eigenvalues, upper and lower bounds, Global analysis, analysis on manifolds -- Partial differential equations on manifolds; differential operators -- Relations between spectral theory and ergodic theory, e.g. quantum unique ergodicity, Global analysis, analysis on manifolds -- Partial differential equations on manifolds; differential operators -- Spectral problems; spectral geometry; scattering theory, Number theory -- Discontinuous groups and automorphic forms -- Spectral theory; Selberg trace formula, Global analysis, analysis on manifolds -- Partial differential equations on manifolds; differential operators -- Isospectrality, Manifolds and cell complexes -- Differential topology -- Topology and geometry of orbifolds, Congresses, Ordinary differential equations -- Ordinary differential operators -- Eigenvalues, estimation of eigenvalues, upper and lower bounds, Differential geometry -- Global differential geometry -- Global Riemannian geometry, including pinching, Spectral geometry, Numerical analysis -- Partial differential equations, boundary value problems -- Eigenvalue problems, Differential operators