1881-1940 34cxx37cxx37dxx37exx37nxx70kxx 37cxx37dxx37bxx34cxx34dxx 58j5358j5058j5165n2535p1511f7253c2034l1534e0557r18 65l1134b0534d1535b25 abstractharmonicanalysis analysisonmanifolds applications asymptoticexpansions asymptotictheory boundaryvalueproblems chaoticbehaviorinsystems computationalmathematicsandnumericalanalysis congresses differentiabledynamicalsystems differentialequations differentialgeometry differentialtopology diffusion discontinuousgroupsandautomorphicforms dynamicalsystemsandergodictheory dynamicalsystemswithhyperbolicbehavior dynamics eigenvalueproblems eigenvalues estimationofeigenvalues exponentialfunctions fourieranalysis functionalanalysis functionsofacomplexvariable functionsofcomplexvariables functionsofrealvariables general globalanalysis globalanalysis(mathematics) globaldifferentialgeometry globalriemanniangeometry harmonicanalysis harmonicanalysisoneuclideanspaces heisenberguncertaintyprinciple includingpinching isospectrality linearboundaryvalueproblems low-dimensionaldynamicalsystems manifoldsandcellcomplexes mathematicalanalysis mathematicalandcomputationalphysics mathematicalmodelingandindustrialmathematics mathematicalmodels mathematics mechanicsofparticlesandsystems nonlinear nonlineardynamics nonlineartheories numbertheory numericalanalysis numericalsolutions operatortheory ordinarydifferentialoperators otto partial partialdifferentialequations partialdifferentialequationsonmanifolds;differentialoperators probabilities probabilitytheoryandstochasticprocesses qa276-280 qa372 qualitativepropertiesofsolutions qualitativetheory realfunctions relationsbetweenspectraltheoryandergodictheory sequences sequences(mathematics) series singularlyperturbedproblems singularperturbations smoothdynamicalsystems:generaltheory specialfunctions(33-xxdealswiththepropertiesoffunctionsasfunctions) spectralgeometry spectralproblems;spectralgeometry;scatteringtheory spectraltheory;selbergtraceformula spectraltheoryandeigenvalueproblems stabilitytheory statistics summability theoretical toeplitz topologicaldynamics topologyandgeometryoforbifolds upperandlowerbounds