Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 2020, Number 6

JOURNALS // Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika // Archive

2020, Number 6

Mathematics
	On multiple trigonometric sums related with prime numbers V. N. Chubarikov	3
	A note on the fast computation of transitive closure of graphs and the multiplication of integer matrices S. B. Gashkov	14
	Structure of sets of semicontinuous points of $\varepsilon$-capacity of non-autonomous dynamical systems continuously depending on a parameter A. N. Vetokhin	19
	On coincidence points for a Zamfirescu type pair of multi-valued mappings Yu. N. Zakharyan, T. N. Fomenko	26

Mechanics
	A displacement discontinuity method of high-order accuracy in fracture mechanics A. V. Zvyagin, A. S. Udalov	34
	Bifurcation analysis of a system of three connected bodies in a homogeneous gravitational field A. V. Karapetyan, M. P. Chaplygina	40
	Numerical-analytical method for solving equations of the physical theory of meteors at variable ablation parameter G. A. Tirskii, I. G. Brykina, S. V. Zhluktov	48

Short notes
	Criterion of neural generation of automaton functions with time delay G. V. Bokov, A. S. Drobyshev	54
	Noncompactness property of fibers and singularities of non-Euclidean Kovalevskaya system on pencil of Lie algebras V. A. Kibkalo	56
	Unary algebras without proper subalgebras A. N. Lata	60
	Lagrangian representation of the family of Gordon–Schowalter objective derivatives at simple shear E. D. Martynova	63
	The advanced convergence method in the problem on torsional oscillations of a circular disc inhomogeneous in thickness L. D. Akulenko, D. V. Georgievskii, S. V. Nesterov	66