Vsevolod Segeevich Sergeev

**Born :**7 March 1941

**Phone:** +7 (095) 135-62-70

**Fax:** +7 (095) 135-61-59

**E-mail:** vsergeev@ccas.ru

**Position:** Senior Researcher, Sector of Theory of
Stability and Mechanics of Controlled Systems, Department of Mechanics,
Dorodnicyn Computing Center of the Russian Academy of Sciences

**Degree:**

- Doctor of Physical-Mathematical Sciences (Department of Mechanics of the
Mechanical-Mathematical Faculty, Moscow State University, 2000).
Subject: *Stability in the systems with aftereffects described by
integro-differential equations of Volterra type *

- Candidate of Physical-Mathematical Sciences (Department of Mechanics
of the Mechanical-Mathematical Faculty, Moscow State University, 1969).
Subject: *Some problems of motion of a rigid body around a fixed point *

**Research Interests:** Stability Theory of
Differential and Integro-differential Equations, Rigid Bodies Dynamics,
Stability of the Mechanical Systems, Mathematical Physics, Theory
of Oscillations.

**Selected Publications: **(the total number of
publications is over 50)

1. "Periodic Solutions of the Equations of Motion of a Heavy Rigid Body around a Fixed Point" Vestnik Moskov. Univ. Ser. 1 Mat. Meh. 24 (1969), 1, 40-51.

2. "Estimates of the Domain of Convergence of Series which Represent the Periodic Solutions of the Equations of Motion of a Heavy Rigid Body with a Fixed Point" Vestnik Moskov. Univ. Ser. 1 Mat. Meh. 24 (1969), 2, 66-70.

3. "A Certain Estimate of the Domain of Asymptotic Stability for Autonomous Systems of Equations" Differencialnye Uravnenija, 11 (1975), 10, 1832-1837.

4. "On the Stability of the Permanent Rotations of a Heavy Rigid Body around a Fixed Point" Prikl. Matem. i Mekhan. (PMM), 40 (1976), 3, 408-416.

5. "Periodic Motions of a Heavy Rigid Body Near Dynamical Symmetric with a Fixed Point" J. Appl. Math. Mech. (PMM), 47 (1983), 1, 163-166.

6. "Stability of Solutions of a Class of Integro-differential Equations" Differential Equations (DU) 22 (1986), 3, 385-389.

7. "Intability of the Zero Solution of a Class of Integro-differential Equations" Differential Equations (DU) 24 (1988), 8, 949-957.

8. "Stability of the Motion of a Rigid Body in an Unsteady Flow" Fluid Dynamics, 24 (1989), 3, 341-345.

9. "The Asymptotic Stability of Motion in Systems with Aftereffect" J. Appl. Math. Mech. (PMM), 57 (1993), 5, 927-934.

10. "Asymptotic Stability and Estimate of the Region of Attraction in Certain Systems with Aftereffect" J. Appl. Math. Mech. (PMM), 60 (1996), 5, 737-743.

11. "Instability in the Critical Case of a Pair of Purely Imaginary Roots for a System Class with Aftereffect" J. Appl. Math. Mech. (PMM), 62 (1998), 1, 73-79.

12. "The Stability of the Equilibrium of a Wing in an Unsteady Flow; J. Appl. Math. Mech. (PMM), 64 (2000), 2, 219-228.