JournalsjstVol. 11, No. 3Journal of Spectral TheoryVolume 11, No. 3 (2021)S2OArticles of this issue are accessible as open access under our subscribe to open model.pp. 905–914Different completions of A+CXA + CXA+CXDragana S. Cvetković-IlićQing Wen WangYimin Weipp. 915–933Inequalities between Neumann and Dirichlet eigenvalues of Schrödinger operatorsJonathan Rohlederpp. 935–979The massless Dirac equation in two dimensions: zero-energy obstructions and dispersive estimatesM. Burak ErdoğanMichael GoldbergWilliam R. Greenpp. 981–1003Efficiency and localisation for the first Dirichlet eigenfunctionMichiel van den BergFrancesco Della PietraGiuseppina di BlasioNunzia Gavitonepp. 1005–1041Range characterizations and Singular Value Decomposition of the geodesic X-ray transform on disks of constant curvatureRohit Kumar MishraFrançois Monardpp. 1043–1079Self-adjointness of two-dimensional Dirac operators on corner domainsFabio PizzichilloHanne Van Den Boschpp. 1081–1105Jordan chains of elliptic partial differential operators and Dirichlet-to-Neumann mapsJussi BehrndtA. F. M. ter Elstpp. 1107–1143Recovery of time-dependent coefficients from boundary data for hyperbolic equationsAli FeizmohammadiJoonas IlmavirtaYavar KianLauri Oksanenpp. 1145–1178Lieb–Thirring inequalities for an effective Hamiltonian of bilayer graphenePhilippe BrietJean-Claude CueninLeonid B. GolinskiiStanislas Kupinpp. 1179–1213Maximal estimates for the Fokker–Planck operator with magnetic fieldZeinab Karakipp. 1215–1254Coexistence of absolutely continuous and pure point spectrum for kicked quasiperiodic potentialsKristian BjerklövRaphaël Krikorianpp. 1255–1277Szegő’s theorem for canonical systems: the Arov gauge and a sum ruleDavid DamanikBenjamin EichingerPeter Yuditskiipp. 1279–1296Existence of metrics maximizing the first eigenvalue on non-orientable surfacesHenrik MatthiesenAnna Siffertpp. 1297–1311Anderson localization for a generalized Maryland model with potentials given by skew shiftsJia ShiXiaoping Yuanpp. 1313–1367Quantum evolution and sub-Laplacian operators on groups of Heisenberg typeClotilde Fermanian-KammererVéronique Fischerpp. 1369–1389A Szegő type theorem and distribution of symplectic eigenvaluesRajendra BhatiaTanvi JainRitabrata Senguptapp. 1391–1413On Lieb–Thirring inequalities for one-dimensional non-self-adjoint Jacobi and Schrödinger operatorsSabine BögliFrantišek Štampach
pp. 915–933Inequalities between Neumann and Dirichlet eigenvalues of Schrödinger operatorsJonathan Rohleder
pp. 935–979The massless Dirac equation in two dimensions: zero-energy obstructions and dispersive estimatesM. Burak ErdoğanMichael GoldbergWilliam R. Green
pp. 981–1003Efficiency and localisation for the first Dirichlet eigenfunctionMichiel van den BergFrancesco Della PietraGiuseppina di BlasioNunzia Gavitone
pp. 1005–1041Range characterizations and Singular Value Decomposition of the geodesic X-ray transform on disks of constant curvatureRohit Kumar MishraFrançois Monard
pp. 1043–1079Self-adjointness of two-dimensional Dirac operators on corner domainsFabio PizzichilloHanne Van Den Bosch
pp. 1081–1105Jordan chains of elliptic partial differential operators and Dirichlet-to-Neumann mapsJussi BehrndtA. F. M. ter Elst
pp. 1107–1143Recovery of time-dependent coefficients from boundary data for hyperbolic equationsAli FeizmohammadiJoonas IlmavirtaYavar KianLauri Oksanen
pp. 1145–1178Lieb–Thirring inequalities for an effective Hamiltonian of bilayer graphenePhilippe BrietJean-Claude CueninLeonid B. GolinskiiStanislas Kupin
pp. 1215–1254Coexistence of absolutely continuous and pure point spectrum for kicked quasiperiodic potentialsKristian BjerklövRaphaël Krikorian
pp. 1255–1277Szegő’s theorem for canonical systems: the Arov gauge and a sum ruleDavid DamanikBenjamin EichingerPeter Yuditskii
pp. 1279–1296Existence of metrics maximizing the first eigenvalue on non-orientable surfacesHenrik MatthiesenAnna Siffert
pp. 1297–1311Anderson localization for a generalized Maryland model with potentials given by skew shiftsJia ShiXiaoping Yuan
pp. 1313–1367Quantum evolution and sub-Laplacian operators on groups of Heisenberg typeClotilde Fermanian-KammererVéronique Fischer
pp. 1369–1389A Szegő type theorem and distribution of symplectic eigenvaluesRajendra BhatiaTanvi JainRitabrata Sengupta
pp. 1391–1413On Lieb–Thirring inequalities for one-dimensional non-self-adjoint Jacobi and Schrödinger operatorsSabine BögliFrantišek Štampach