CONTENTS

Dieri Ngom, Pascal Lorenz, Bamba Guye. New approaches to extending the lifespan of a wireless sensor network based on optimal sensor node placement and use of the duty cycle method. 5-34

Zvyagin L.S. Using the use of Petri nets as an applied tool for simulation modeling of dynamic discrete systems. 35-44

Kozhemyakina E.V. Determining the optimal sorting method by computational complexity. 45-51

Kuzmina H.V., Ivanov M.N. Modeling the processes of evolution of financial assets in the R language. 52-60

Shcherbakov G.A. Formation of high demand for the semiconductor industry high-tech components during the COVID-19 pandemic. 61-70

Borodin V.A., Nagaeva E.A. Methodology of using distributed ledger technology to identify unscrupulous counterparties of companies in the digital economy. 71-75