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Mathematics
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An example of a quasiconvex but not polyconvex function
O. A. Kruzhalov
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3 |
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Universal metrizable spaces of given weight and given depth
I. P. Zakharov
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6 |
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On the problem of the existence of a solution to a mixed problem for the one-dimensional wave equation
V. A. Chernyatin
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9 |
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New trace formulas for operators with a discrete spectrum
V. A. Lyubishkin, I. D. Tsopanov
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22 |
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A lower bound for the approximation of $\ln2$ by rational numbers
E. A. Rukhadze
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25 |
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The Nash–Moser implicit function theorem for nonmetrizable locally convex spaces
Yu. I. Prostov
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29 |
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Usual convergence of asymptotic series in the presence of zero points of the spectrum
I. S. Lomov
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33 |
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Mechanics
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Dynamics of a conducting ellipsoid in axisymmetric magnetic field
S. V. D'yachkov, Yu. G. Martynenko
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41 |
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Permanent rotations of a string-suspended axisymmetric solid
O. Yu. Agareva
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45 |
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On a stabilized motion of a symmetrical rotating body in the air
M. V. Abuladze
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51 |
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Short notes
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Generalization of the Chevalley and von Neumann problems
V. V. Ryzhikov, V. I. Dmitriev
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56 |
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Extension of a selection for a multivalued mapping, and the Eilenberg–Borsuk duality theorem
V. A. Nikiforov
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57 |
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A class of Sturm–Liouville operators on the semi-axis with a given spectrum
Yu. A. Skoblin
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59 |
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Algebraic generators of the group of automorphisms of a polynomial ring over a finitely generated algebra
S. A. Kuleshov
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62 |
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Dihedral homology of a tensor algebra and of skew polynomial rings
S. V. Lapin
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65 |
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Convergence almost everywhere of Riemann sums
M. Yu. Fominykh
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67 |
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A problem without initial conditions for strongly degenerate hyperbolic equations with increasing coefficients
A. V. Deryabina
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71 |
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Approximation of $\pi/\sqrt3$ by rational fractions
A. K. Dubickas
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73 |
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Simple and free periodic groups
V. S. Atabekyan
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76 |
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Equilibrium of a plate and a tube made of a stratified composite material with viscoelastic components
B. E. Pobedrya, S. E. Omarov
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78 |
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Spatial diffraction problem on a rigid and opaque wedge in a Biot medium
Sh. M. Takhirov
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82 |
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Investigation by the polarization optical method of the stress state of a bolt under axial tension
V. V. Dunaev, V. D. Kopytov, N. S. Nazarova, M. V. Spiridonova, N. A. Chetverous
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84 |
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In memory of Evgenij Mikhajlovich Nikishin
A. I. Aptekarev, V. V. Kozlov, A. M. Olevskii, M. K. Potapov, P. L. Ul'yanov, A. B. Shidlovskii
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88 |
