V. I. Arnold’s “Pointwise” KAM Theorem L. ChierchiaC. E. Koudjinan OriginalPaper 10 December 2019 Pages: 583 - 606
Painlevé Analysis and a Solution to the Traveling Wave Reduction of the Radhakrishnan — Kundu — Lakshmanan Equation Nikolay A. KudryashovDariya V. SafonovaAnjan Biswas OriginalPaper 10 December 2019 Pages: 607 - 614
Roaming at Constant Kinetic Energy: Chesnavich’s Model and the Hamiltonian Isokinetic Thermostat Vladimír KrajňákGregory S. EzraStephen Wiggins OriginalPaper 10 December 2019 Pages: 615 - 627
On Resonances in Hamiltonian Systems with Three Degrees of Freedom Alexander A. KarabanovAlbert D. Morozov OriginalPaper 10 December 2019 Pages: 628 - 648
Stability of Periodic Solutions of the N-vortex Problem in General Domains Björn GebhardRafael Ortega OriginalPaper 10 December 2019 Pages: 649 - 670
Conic Lagrangian Varieties and Localized Asymptotic Solutions of Linearized Equations of Relativistic Gas Dynamics Anna I. AlliluevaAndrei I. Shafarevich OriginalPaper 10 December 2019 Pages: 671 - 681
Jumps of Energy Near a Homoclinic Set of a Slowly Time Dependent Hamiltonian System Sergey V. Bolotin OriginalPaper 10 December 2019 Pages: 682 - 703
Classical and Quantum Dynamics of a Particle in a Narrow Angle Sergei Yu. DobrokhotovDmitrii S. MinenkovSemen B. Shlosman OriginalPaper 10 December 2019 Pages: 704 - 716
Twisted States in a System of Nonlinearly Coupled Phase Oscillators Dmitry BolotovMaxim BolotovArkady Pikovsky OriginalPaper 10 December 2019 Pages: 717 - 724
Topaj–Pikovsky Involution in the Hamiltonian Lattice of Locally Coupled Oscillators Vyacheslav P. KruglovSergey P. Kuznetsov OriginalPaper 10 December 2019 Pages: 725 - 738
On the Chaplygin Sphere in a Magnetic Field Alexey V. BorisovAndrey V. Tsiganov OriginalPaper 10 December 2019 Pages: 739 - 754