Ordinary Differential Equations


On the spectral properties of wellposed restrictions and extensions of the Sturm–Liouville operator B. N. Biyarov

2027 

A regularized thirdorder continuous gradient projection method F. P. Vasil'ev, A. Nedić

2033 

Componentwise equiconvergence with a trigonometric series of expansions in root vector functions of the Schrödinger operator with matrix potential and a diagonalmatrix eigenvalue A. V. Dyadechko

2043 

On the basis property of systems of eigen and associated vector functions of the matrix Schrödinger operator that correspond to matrix eigenvalues N. G. Ivin

2051 

Some properties of the root functions of an evenorder ordinary differential operator A. A. Malov

2064 

Partial Differential Equations


Spectral analysis of a boundary value problem for the Schrödinger operator with complex potential A. S. Makin

2071 

On the absence of the basis property in a system of root functions for a nonlocal boundary value problem E. I. Moiseev

2082 

Numerical methods. Equations in finite differences


On a class of iterative methods for solving stationary Navier–Stokes equations. II V. N. Abrashin, S. L. Lapko

2094 

A preconditioned conjugate gradient method with dual projection S. S. Belyavsky, S. G. Mulyarchick, A. W. Popov

2106 

Methods of control theory for the numerical integration of ordinary differential equations V. V. Dikusar

2116 

On error estimates for the Bubnov–Galerkin method for coupled problems of thermoelasticity S. E. Zhelezovsky

2122 

Conditions for the nullcontrollability of linear discrete systems in the presence of constraints on the control S. A. Minyuk

2133 

On the application of adaptive grids in computing the free surface in problems of the statics of a magnetic fluid V. K. Polevikov

2146 

An approximate method for solving a spectral problem in a nonconvex domain V. G. Prikazchikov, G. S. Medvedev

2153 

An iterative method for integral equations for problems of scattering by a threedimensional transparent body A. B. Samokhin

2162 

Short Communications


Linearization of a Burgerstype system connected with the Hamiltonian structure of secondorder ordinary differential equations S. P. Balandin, B. I. Suleimanov

2175 

On the regularized trace for a power of the Laplace operator on an isosceles right triangle V. V. Dubrovskii, I. V. Tomina

2177 

Nonlocal elliptic boundary value problems for systems of Douglis–Nirenberg type A. A. Murach

2180 

Convergence of the collocation method and the mechanical quadrature method for nonlinear singular integral equations in $L_p$ space V. N. Seichuk

2183 

On a system of basis functions for linear differential equations V. V. Trefilov

2186 

On the existence of solutions of a class of evolution inclusions on a closed set. II Ya. I. Umansky

2188 

Analytic solutions of some linear systems of functionaldifferential equations in a neighborhood of a regular singular point V. B. Cherepennikov

2191 