Root / CYBERNETICS AND PHYSICS / Volume 9, 2020, Number 4

• CONTENTS
• Denis Fomin, Ilya Eremin, Vitaliy Neshtimenko, Dmitry Shcherban
  Alternative relativistic formulation of linear spectrum of hydrogen-like systems
• Pavel Gushchin, Igor Furtat, Artem Nekhoroshikh, Julia Chugina, Sergey Vrazhevsky, Mikhail Tarasov
  Control of distillation column under perturbations: a case study
• Naveen Kumar, Jyoti Ohri
  Sliding mode control design for haptic system with vibration mode
• Admi Nazra, Zulakmal, Lyra Yulianti, Muhafzan
  Linear quadratic optimization for fractional order differential algebraic system of Riemann-Liouville type
• Pavel Shcherbakov
  Six heuristic algorithms for solving the K-minimum volume ellipsoid (K-MVE) problem
• Olga Tomchina
  Control of oscillations in two-rotor cyberphysical vibration units with time-varying observer