Seminar on Singularities of Solutions of Linear Partial Differential Equations. (AM-91), Volume 91

Elliptic boundary value problem, Asymptotic distribution, Differential operator, Ordinary differential equation, Riesz representation theorem, Adjoint equation, Projection (linear algebra), Spectral theorem, Trace class, Canonical transformation, Riemannian manifold, Partial differential equation, Variable (mathematics), Inclusion map, Asymptotic expansion, Continuous function (set theory), Pseudo-differential operator, Self-adjoint operator, Analytic continuation, Eigenfunction, Eigenvalues and eigenvectors, Characteristic function (probability theory), Dirichlet problem, Mathematical optimization, Oscillatory integral, Hyperbolic partial differential equation, Partition of unity, Holomorphic function, Toeplitz operator, Existence theorem, Calculus on manifolds, Trigonometric polynomial, Regularity theorem, Fundamental solution, Linear map, Polynomial, Characteristic equation, Differential equation, Integral transform, Hamiltonian vector field, Taylor series, Limit (mathematics), Equation, Fourier transform, Renormalization, Harmonic analysis, A priori estimate, Fourier inversion theorem, Poisson summation formula, Local diffeomorphism, Asymptotic formula, Exponential function, Laplace operator, Symplectic manifold, Functional calculus, Poisson bracket, Existential quantification, Symplectic geometry, Analytic function, Support (mathematics), Elementary proof, Spectral theory, Theorem, Riemann surface, Hilbert space, Analytic manifold, Fourier integral operator, Lagrangian (field theory), Sign (mathematics), Asymptotic analysis