Applied systemology, conceptual and mathematical modeling, and analysis of information technology in the economy, the economic analysis of the functioning of organizational-technical systems, program-oriented planning and management, research potential socio-economic systems, the CALS theory for products and systems.
Main publications:
I. V. Lysenko, A. I. Ptushkin, “Effektivnye algoritmy dinamicheskogo programmirovaniya v zadachakh optimalnogo upravleniya na setyakh”, Teoriya grafov, 1990, № 6, 64–71
I. V. Lysenko, A. I. Ptushkin, “Effektivnyi algoritm sinteza mnogoprotsessornoi geterogennoi vychislitelnoi sistemy”, Avtomatika i vychislitelnaya tekhnika, 1990, № 3, 79–88
A. I. Ptushkin, I. V. Lysenko, “Optimalnoe raspredelenie ogranichennogo tselochislennogo resursa na seti proizvolnoi topologii”, Kibernetika, 1991, № 3, 77–87
A. I. Ptushkin, I. V. Lysenko, “Optimal distribution of a scarce integer resource on a network of arbitrary topology”, Cybernetics and Systems Analysis, 27:3 (1991), 376–389
A. S. Geida, I. V. Lysenko, A. I. Ptushkin, E. V. Sedlov, “Metod planirovaniya innovatsionnoi deyatelnosti”, Programmnye produkty i sistemy, 2011, № 4, 11-16