Geodesic

Differential Equations

On occurrence of resonances from multiple eigenvalues of the Schr\"odinger operator in a cylinder with scattering perturbations
p. 3-14
On the frequency of a nonlinear oscillator
p. 15-24
Uniform asymptotics of the sine amplitude function
p. 25-38
Existence of a renormalized solution of a parabolic problem in anisotropic Sobolev--Orlicz spaces
p. 39-64
Parametric resonance in integrable systems and averaging on Riemann surfaces
p. 65-80
On analogs of wave catastrophe functions that are solutions of nonlinear integrable equations
p. 81-95
Lyapunov functions and asymptotics at infinity of solutions of equations that are close to Hamiltonian equations
p. 96-107
On ground states and compactly supported solutions of elliptic equations with non-Lipschitz nonlinearities
p. 108-112
Methods for studying the stability of linear periodic systems depending on a small parameter
p. 113-126