| Contents | |
| Message from the Editorial Board | 7 |
| MATHEMATICS | |
| Dekhkonov F.N. The control problem for a heat conduction equation with Neumann boundary condition | 9 |
| MATHEMATICAL MODELING | |
| Salimova A.I., Parovik R.I. Mathematical model of Van der Pol-Airy fractional oscillator | 21 |
| Tverdyi D.A., Parovik R.I. The optimization problem for determining the functional dependence of the variable order of the fractional derivative of the Gerasimov-Caputo type | 35 |
| INFORMATION AND COMPUTING TECHNOLOGIES | |
| Senkevich Y.I. Search signs changes in the state of the near-surface layer of the lithosphere based on the image analysis results reflecting the characteristics dynamics of the geoacoustic emission signal | 58 |
| Senkevich Y.I. Processing and preparation of observation data in the interests of highlighting the features of the dynamics of the characteristics of geoacoustic emission | 75 |
| PHYSICS | |
Marichev V.N., Bochkovsky D.A., Elizarov A.I. Generalization of the results of lidar monitoring
of the temperature of the middle atmosphere over Tomsk | 95 |
| Marichev V.N., Bochkovsky D.A. Lidar studies of the vertical distribution of aerosol in the stratosphere over Тomsk in 2023 | 106 |
| Pastukhov I.A., Rudenko A.I. Formation of capillary-gravity waves in the flow under the influence of a system consisting of two vortices | 117 |
| INSTRUMENTS AND MEASUREMENT METHODS | |
| Pavlova V.Yu. Experience with the «Triton-M» georadar device in the Petropavlovsk-Kamchatsky city (Kamchatka) | 129 |
| Pavlova V.Yu. Experience with the «Triton-M» georadar device in the Petropavlovsk-Kamchatsky city (Kamchatka) |
