Mathematics and mechanics

Toward Robust Stability Margin Evaluation in Continuous and Discrete Systems

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Research article

Besklubnaya A. V.

DOI:

https://doi.org/10.23670/IRJ.2023.129.22

Issue: № 3 (129), 2023

Suggested:

08.01.2023

Accepted:

22.02.2023

Published:

17.03.2023

ON THE ABSOLUTE CONVERGENCE OF SPECTRAL EXPANSIONS IN A TWO-DIMENSIONAL CLOSED REGION FOR THE LAPLACE OPERATOR WITH A DISCONTINUOUS COEFFICIENT AND THE DIRICHLET PROBLEM

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Research article

Suchkov M. V.

Trifonenkov V. P.

DOI:

https://doi.org/10.23670/IRJ.2023.129.19

Issue: № 3 (129), 2023

Suggested:

05.01.2023

Accepted:

20.02.2023

Published:

17.03.2023

PONTRYAGIN’S MAXIMUM PRINCIPLE FOR A MIXED-CONSTRAINED OPTIMAL CONTROL PROBLEM GOVERNED BY THE HEAT EQUATION

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Research article

DOI:

https://doi.org/10.23670/IRJ.2023.128.79

Issue: № 2 (128), 2023

Suggested:

12.01.2023

Accepted:

14.02.2023

Published:

17.02.2023

136

An Evaluation of a Solution of the Cauchy Problem of the Nonlinear Fractional Diffusion Equation

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Research article

Tedeev А. F.

DOI:

https://doi.org/10.23670/IRJ.2023.127.3

Issue: № 1 (127), 2023

Suggested:

14.09.2022

Accepted:

07.12.2022

Published:

24.01.2023

265

Examples of the Cauchy Problem for a System with Right Value of a Special Form

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Research article

DOI:

https://doi.org/10.23670/IRJ.2022.126.14

Issue: № 12 (126), 2022

Suggested:

02.10.2022

Accepted:

21.11.2022

Published:

16.12.2022

655

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