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2022, Volume 39, Number 2  

MATHEMATICS
35M12Boundary value problem for a mixed-type equation with a higher order elliptic operator
R. R. Ashurov, M. B. Murzambetova 		7–19
On the control problem associated with the heating process in the bounded domain
F. N. Dekhkonov 		20–31
On one boundary value problem for the fourth-order equation in partial derivatives
O. Sh. Kilichov, A. N. Ubaydullaev 		32–41
Note on the spectral theorem for unbounded non-selfadjoint operators
M. V. Kukushkin 		42–61
On a control problem for the subdiffusion equation with a fractional derivative in the sense of caputo
Yusuf Egrashevich Fayziev 		62–78

MATHEMATICAL MODELING
Modeling the growth of flat snow crystals in clouds with fractal structure
T. S. Kumykov 		80–90
Scenario of the invasive process in the modification of Bazykins population equation with delayed regulation and high reproductive potential
A. Yu. Perevaryukha 		91–102
Numerical implementation of a mathematical model (SEIRD) based on data from the spread of the fifth wave of COVID-19 in russia and regions
A. F. Tsakhoeva, D. D. Shigin 		103–118

INFORMATION AND COMPUTATION TECHNOLOGIES
Optimization of the structure of variable-valued logical functions when adding new production rules
D. P. Dimitrichenko 		119–135
Clustering algorithm based on feature space partitioning
M. A. Kazakov 		136–149
A concise overview of particle swarm optimization methods
E. M. Kazakova 		150–174
Numerical-analytical method for solving the modified Ñauchy problem for the fractional diffusion equation
L. I. Serbina 		175–183
Locally one-dimensional schemes for an equation describing coagulation processes in convective clouds with “memory”
M. Kh. Shkhanukov-Lafishev, M. M. Lafisheva, I. D. Taisaev 		184–196

TEACHING MATERIALS
On some unknown results related to the nontrivial properties of ordinary triangles. part 2
B. P. Fedorov, S. B. Bogdanova, S. O. Gladkov 		197–221
How to take from pascal's triangle an infinite series of power sums from many variables and arithmetic systems compared modulo a prime number
V. L. Shcherban 		222–236
Vestnik KRAUNC. Fiziko-Matematicheskie Nauki Vestnik KRAUNC. Fiziko-Matematicheskie Nauki
 
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