Geodesic

Sommaire du Fascicule no. 1

Weak condition for a~class of~$p$-Laplacian Hamiltonian systems
p. 3-14
Kadomtsev--Petviashvili hierarchies of types B and C
p. 15-38
Integrable symplectic maps via reduction of B\"{a}cklund transformation
p. 39-50
$q$-Universal characters and an~extension of the~lattice $q$-universal characters
p. 51-68
On the~absence of global periodic solutions of a~ Schr\"{o}dinger-type nonlinear evolution equation
p. 69-73
Spin nonclassicality via variance
p. 74-84
Increase in entropy and time irreversibility in Hamiltonian dynamics
p. 85-96
The~law of large numbers for quantum stochastic filtering and control of many-particle systems
p. 97-121
Vacuum charge and current densities in the~supercritical two-dimensional Dirac--Coulomb system in a~magnetic field with an axial-vector potential
p. 122-144
Behaviour of Andreev states for topological phase transition
p. 145-162

Sommaire du Fascicule no. 2

Sigma models as Gross--Neveu models
p. 165-179
On the~quantum $\mathfrak{osp}(1|2\ell)$ Toda chain
p. 180-195
Representations of Bessel functions via the Maslov canonical operator
p. 196-217
On the~evolution of states of controlled qubits
p. 218-232
Algebraic quantum theory with maximal frequency
p. 233-244
Integrable extensions of classical elliptic integrable systems
p. 245-260
Quantum coin flipping, qubit measurement, and generalized
p. 261-281
Elliptic solutions of the~Toda lattice hierarchy and the~elliptic Ruijsenaars--Schneider model
p. 282-309
$\ell$-weights and factorization of transfer operators
p. 310-341
On mathematical problems in the~theory of~topological insulators
p. 342-354
Quadratic algebras based on $SL(NM)$ elliptic quantum $R$-matrices
p. 355-364

Sommaire du Fascicule no. 3

Group analysis of the one-dimensional Boltzmann
p. 367-386
Effective wavelength of envelope waves on the water surface beneath an ice sheet: small amplitudes and moderate depths
p. 387-408
Fractional derivative method for describing solitons on the surface of deep water
p. 409-415
Notes about the KP/BKP correspondence
p. 416-439
Existence and uniqueness of fixed points of an integral operator of Hammerstein type
p. 440-451
$\bar\partial$-dressing method for a few ($2+1$)-dimensional integrable coupling systems
p. 452-470
Three-dimensional vortices in the Heisenberg model
p. 471-480
Relativistic linear oscillator under the action of a constant
p. 481-494
Photon structure of stationary spaces
p. 495-521
Study on anisotropic strange stars in Rastall gravity
p. 522-543
Erratum to: V.~O.~Golubenets ``Relaxation oscillations in a~logistic equation with~state-in-the-past-dependent delay''