Geodesic

Sommaire du Fascicule no. 1

Homogeneous St\"ackel-type systems
p. 3-28
The isomorphism between two-dimensional conformal field theories with the affine-$sl(2)$ and the $N=2$ superconformal symmetry algebras
p. 29-45
Stochastic quantization using a~kerneled Langevin equation
p. 46-55
A~probability wave description of stochastic variables whose means satisfy a~system of difference equations
p. 56-76
Clebsch transformation of hydrodynamic equations
p. 77-84
Estimation of the Schr\"odinger operator Green's function
p. 85-92
Nonlocal lattice fermionic models on a~two-dimensional torus
p. 93-105
Exactly solvable models and dynamic quantum systems
p. 106-131
Statistical hydrodynamics of magnetic fluids. I.~The nonequilibrium statistical operator method
p. 132-153
Anomalous diffusion of particles with a~finite free-motion velocity
p. 154-160

Sommaire du Fascicule no. 2

Breaking the space--time translation group in the dipole field model
p. 163-176
Differential calculus for $q$-deformed twistors
p. 177-184
Describing spinors using probability distribution functions
p. 185-198
The dressing chain of discrete symmetries and proliferation of nonlinear equations
p. 199-214
Relativistic quantum measurements, the Unruh effect, and black holes
p. 215-232
A string model of ``exotic'' particles
p. 233-244
Renormalization group in turbulence theory: Exactly solvable Heisenberg model
p. 245-262
Tridiagonal parametrization of interaction in the discrete approach to the scattering problem
p. 263-274
Stability of the antiferromagnetic state of finite spin chains
p. 275-279
The Green formula in the theory of potential scattering and corrections to the eikonal scattering amplitude
p. 280-288
Nonequilibrium phonon energy in crystals with hot electrons
p. 289-304
The least action principle in general relativity theory
p. 305-311
Instantons and gravitation theory
p. 312-320

Sommaire du Fascicule no. 3

Nonlinear $\sigma$-model in a curved space, gauge equivalence, and exact solutions of
p. 323-348
First integrals of generalized Toda chains
p. 349-357
Using singular classical solutions for calculating multiparticle cross sections in field theory
p. 358-372
Space-time locality in the $Sp(2)$-symmetric Lagrangian formalism
p. 373-388
Free energy of the two-dimensional $U(n)$-gauge field theory on the sphere
p. 389-401
Instanton contributions to the $R$-symmetry anomaly
p. 402-409
Exact solutions of the nonstationary Schr\"odinger equation
p. 410-418
Superconductivity in the Fr\"ohlich two-dimensional model with an arbitrary carrier concentration
p. 419-436
Vapor--liquid phase transition: The Van der Waals model
p. 437-458
Singlet--triplet fermion coupling theory
p. 459-476
Diophantine equations related to quasicrystals: A~note
p. 477-480