(Національний технічний університет "Харківський політехнічний інститут", 2019) Tikhonov, V. I.; Tykhonova, O. V.
The paper focuses researches on general system theory. Related publications surveyed. Cognitive aspects of system math modeling studied. The issues of "state-space" and "space-structure" discussed for model of open system. The role of observer and "dark matter" formalism determined in system analysis.