Geodesic

Sommaire du Fascicule no. 1

Towards an inverse scattering theory for two-dimensional nondecaying potentials
p. 3-53
Hirota equation and Bethe ansatz
p. 54-100
Dynamic systems related to the Cremmer--Gervais $R$-matrix
p. 101-112
A~nonlocal Hamiltonian formalism for semi-Hamiltonian systems of the hydrodynamic type
p. 113-121
Three-particle Calogero model: Supertraces and ideals on the observables algebra
p. 122-133
Resonance multiplicity of a~perturbed periodic Schr\"odinger operator
p. 134-145
Nonequilibrium statistical thermodynamics of channeled particles: Resonance transitions and dechanneling
p. 146-160

Sommaire du Fascicule no. 2

Operator interpretation of the resonances generated by ${2}\times {2}$ matrix Hamiltonians
p. 163-181
Approximate double-periodic solutions in $(1+1)$-dimensional $\varphi ^4$-theory
p. 182-192
Equations invariant under differential substitutions
p. 193-200
The ``free'' quantum Brownian particle as a~non-Fock linear bosonic system
p. 201-214
Asymptotic estimates of the pion charge form factor
p. 215-224
A~relativistic quark model of mesons
p. 225-247
Hamiltonian formulation of massive spins 2 and 3 and one-derivative changes of variables
p. 248-264
A~differential calculus on the quantum group $SU_q(2)$ compatible with the gauge-transformation structure
p. 265-276
Fermion pair creation by a~strong Coulomb field in $2+1$ dimensions
p. 277-287
Background harmonic superfields in $N=2$ supergravity
p. 288-304
Nonstationary boundary problem for model kinetic equations at critical parameters
p. 305-320

Sommaire du Fascicule no. 3

Integral symmetries, integral invariants, and monodromy matrices for ordinary differential equations
p. 323-335
Differential substitutions of the Miura transformation type
p. 336-348
Magnetohydrodynamics with regard to electron inertia: Some exact solutions
p. 349-361
A~nonlinear identity for the scattering phase of integrable models
p. 362-366
The interaction force between rotating black holes at equilibrium
p. 367-378
Critical dimensions of composite operators in the nonlinear $\sigma$-model
p. 379-400
A~new algebra in the stochastic approximation for the model of a~particle interacting with a~quantum field
p. 401-416
Estimating the convergence radius of Mayer expansions: The nonnegative potential case
p. 417-430
Some thermodynamic features of ideal systems with nonlinear interaction
p. 431-441
Nonequilibrium statistical thermodynamics of channeled particles: Thermal particles
p. 442-455
Perturbation theory for the periodic Anderson model: II.~Superconducting state
p. 456-473
A~laser-source model of the gravitational field
p. 474-480