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  AM&CP  » Structure » Staff » Yevstafyeva V. V.

Yevstafyeva Victoria Victorovna

[photo]

Ph.D., Associate Professor of Department of Higher Mathematics

Room 319-1, tel. (812) 428-41-57
E-mail: v.evstafieva@spbu.ru

Teaching responsibilities

  • Mathematical Analysis
  • Multiple Integrals and Series
  • Time series

Scientific publications

  1. Kamachkin A.M., Potapov D.K., Yevstafyeva V.V. Existence of periodic solutions to automatic control system with relay nonlinearity and sinusoidal external influence // International Journal of Robust and Nonlinear Control. 2017. Vol. 27. № 2. P. 204-211.
  2. Kamachkin A.M., Potapov D.K., Yevstafyeva V.V. Existence of subharmonic solutions to a hysteresis system with sinusoidal external influence // Electronic Journal of Differential Equations. 2017. № 140. P. 1-10.
  3. Kamachkin A.M., Potapov D.K., Yevstafyeva V.V. On uniqueness and properties of periodic solution of second-order nonautonomous system with discontinuous nonlinearity // Journal of Dynamical and Control Systems. 2017. Vol. 23. № 4. P. 825-837.
  4. Kamachkin A.M., Potapov D.K., Yevstafyeva V.V. Existence of solutions for second-order differential equations with discontinuous right-hand side // Electronic Journal of Differential Equations. 2016. № 124. P. 1-9.
  5. Kamachkin A.M., Potapov D.K., Yevstafyeva V.V. Non-existence of periodic solutions to non-autonomous second-order differential equation with discontinuous nonlinearity // Electronic Journal of Differential Equations. 2016. № 04. P. 1-8.
  6. Yevstafyeva V.V. On existence conditions for a two-point oscillating periodic solution in an non-autonomous relay system with a Hurwitz matrix // Automation and Remote Control. 2015. Vol. 76. № 6. P. 977-988.
  7. Kamachkin A.M., Potapov D.K., Yevstafyeva V.V. Solution to second-order differential equations with discontinuous right-hand side // Electronic Journal of Differential Equations. 2014. № 221. P. 1-6.
  8. Potapov D.K., Yevstafyeva V.V. Lavrent’ev problem for separated flows with an external perturbation // Electronic Journal of Differential Equations. 2013. № 255. P. 1-6.
  9. Yevstafyeva V.V. Existence of the unique kT-periodic solution for one class of nonlinear systems // Journal of Siberian Federal University. Mathematics & Physics. 2013. Vol. 6. № 1. P. 136-142.
  10. Yevstafyeva V.V. On necessary conditions for existence of periodic solutions in a dynamic system with discontinuous nonlinearity and an external periodic influence // Ufa Mathematical Journal. 2011. Vol. 3. № 2. P. 19–26.
  11. Kamachkin A.M., Yevstafyeva V.V. Oscillations in a relay control system at an external disturbance // Proceeding of the 11th IFAC Workshop on Control Applications of Optimization (CAO 2000). 2000. Vol. 2. P. 459-462.