Geodesic

Sommaire du Fascicule no. 1

The null energy condition and cosmology
p. 3-12
The~form factor program: A~review and new results, the~nested
p. 13-24
Four-vertex model and random tilings
p. 25-38
Generalized coherent states for oscillators associated with the Charlier
p. 39-46
Construction of exact solutions in two-field cosmological models
p. 47-61
Light-cone Yang--Mills mechanics: $SU(2)$ vs.~$SU(3)$
p. 62-73
B\"acklund transformations for the difference Hirota equation and the
p. 74-93
Eigenvectors of the Baxter--Bazhanov--Stroganov $\tau^{(2)}(t_q)$
p. 94-108
Deformations of the nondegenerate constant Poisson bracket and
p. 109-116
Eden--Staudacher and Beisert--Eden--Staudacher equations
p. 117-129
Multicenter MICZ--Kepler systems
p. 130-139
Integrable systems and the topology of isospectral manifolds
p. 140-146
Dual $R$-matrix integrability
p. 147-160
Hamiltonian reductions of free particles under polar actions of compact Lie groups
p. 161-176
An analytic framework for the two-dimensional infinite Toda hierarchy
p. 177-192

Sommaire du Fascicule no. 2

Fiftieth anniversary of research and teaching by Viktor Pavlovich Maslov
p. 197-201
Nonlinear Ritz method and the~motion of defects
p. 202-214
Propagation of Gaussian wave packets in thin periodic quantum
p. 215-235
Matrix and vector models in the~strong coupling limit
p. 236-243
Massive dust ball pulsating under the~action of its gravitational
p. 244-251
Euler integral symmetries for a~deformed Heun equation and symmetries
p. 252-264
General form of the~deformation of the~Poisson superbracket on a~$(2,n)$-dimensional superspace
p. 265-286
Spectrum of the~two-particle Schr\"odinger operator on a~lattice
p. 287-300
Why current flows: A~multiparticle one-dimensional model
p. 301-311
Gibbs and Bose--Einstein distributions for an~ensemble of self-adjoint
p. 312-316
Kepler problem in a~constant-curvature space
p. 317-326
Locality problem in quantum theory
p. 327-343
Symmetries of nonlinear hyperbolic systems of the~Toda chain type
p. 344-355
Orientation ordering and the~transition to the~orientational glass
p. 356-368

Sommaire du Fascicule no. 3

Semiclassical approximation in the~relativistic potential model of
p. 371-397
Two-loop Gell-Mann--Low function of the~$N=1$ supersymmetric
p. 398-414
Construction of regular solutions of Schr\"odinger and Faddeev
p. 415-438
Coherent states for the~Hartmann potential
p. 439-452
Entanglement measures based on observable correlations
p. 453-462
Projective ring line encompassing two-qubits
p. 463-473
A~diagram approach to the~strong coupling in the~single-impurity
p. 474-497
Smolukhowski problem for degenerate Bose gases
p. 498-511
Thermodynamic stability, critical points, and phase transitions in
p. 512-523
Refinement of a~criterion for superfluidity of a~classical liquid in a~nanotube
p. 524-528