Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 2021, Number 5

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

2021, Number 5

Mathematics
	Noncompactness of segments in the Gromov–Hausdorff space O. B. Borisova	3
	Topological analysis of an elliptic billiard in a fourth-order potential field S. E. Pustovoitov	8
	Interconnection of partial smoothness moduli in various mixed metrics M. K. Potapov, B. V. Simonov	19
	Keldysh type problem with an integral condition for two-dimensional $B$-hyperbolic equation N. V. Zaitseva	31

Mechanics
	Rotation of isosceles tetrahedron in central Newtonian force field: Staude cone A. A. Burov, E. A. Nikonova	40
	Relationship between theory of incompressible disperse systems and theory of fluidization Ya. D. Yankov	46
	Initial alignment method for a strapdown inertial navigation system on a swing base G. O. Barantsev, A. A. Golovan, P. Yu. Kuznetsov	52

Short notes
	Automata model for verifying attibuted-based access control policy in systems with a finite number of objects A. L. Kuznetsova, S. A. Afonin	57
	Classes of superfunctions on a two-elements set I. I. Maslova	60
	Bifurcations in dynamics of the Chaplygin ball Sh. M. Magomedov	64
	To 70-th anniversary of professor V. N. Chubarikov V. V. Aleksandrov, S. B. Gashkov, D. V. Georgievskii, V. P. Karlikov, B. S. Kashin, G. M. Kobel'kov, V. V. Kozlov, T. P. Lukashenko, A. S. Mishchenko, Yu. V. Nesterenko, R. I. Nigmatulin, O. V. Popov, V. A. Sadovnichii, I. N. Sergeev, G. V. Fedorov, A. T. Fomenko, A. I. Shafarevich, A. N. Shiryaev, V. Ya. Shkadov, A. A. Shkalikov	69