Mathematics and mechanics

METHODS OF MATHEMATICAL STATISTICS AND PROBABILITY THEORY IN STOCK TRADING

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Research article

Ulengova T. G.

Shemet A. M.

Ryaisyanen T. N.

DOI:

https://doi.org/10.23670/IRJ.2024.142.19

Issue: № 4 (142), 2024

Suggested:

05.03.2024

Accepted:

26.03.2024

Published:

17.04.2024

ON PRESERVATION OF THE QUADRATIC LYAPUNOV FUNCTION OF A LINEAR DISCRETE SYSTEM UNDER STATIONARY PERTURBATIONS OF THE SYSTEM COEFFICIENTS

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Research article

Besklubnaya A. V.

DOI:

https://doi.org/10.23670/IRJ.2024.140.47

Issue: № 2 (140), 2024

Suggested:

10.01.2024

Accepted:

08.02.2024

Published:

16.02.2024

173

On the 36th Order Discrete Group for a Multiplicative Class of 2nd Order Differential Equations

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Research article

Atoyan A. A.

DOI:

https://doi.org/10.23670/IRJ.2024.140.39

Issue: № 2 (140), 2024

Suggested:

29.12.2023

Accepted:

31.01.2024

Published:

16.02.2024

253

ON MODELLING OF PERIODIC SURFACE WAVES OF AN IDEAL HEAVY INCOMPRESSIBLE FLUID

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Research article

DOI:

https://doi.org/10.23670/IRJ.2023.138.199

Issue: № 12 (138), 2023

Suggested:

24.07.2023

Accepted:

22.11.2023

Published:

18.12.2023

486

BOUNDARY VALUE PROBLEM FOR A MODEL DIFFERENTIAL EQUATION WITH INVOLUTION IN A RECTANGULAR DOMAIN

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Research article

Lesev V. N.

Zheldasheva A. O.

Etuev N. K.

DOI:

https://doi.org/10.23670/IRJ.2023.137.53

Issue: № 11 (137), 2023

Suggested:

02.09.2023

Accepted:

08.11.2023

Published:

17.11.2023

352

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