---

         E.  Hamiltonian Systems

• Finite-gap periodic solutions of the KdV equation are non-degenerate, with A.Bobenko (Phys. LettA A 161 (1991), 274-276)
  
• An infinitesimal  Liouville--Arnold  theorem as criterion of  reducibility for variational Hamiltonian equations (Chaos, Solitons and Fractals 2 (1992), 259-269)
  
• On the inclusion of an analytic symplectomorphism, close to an integrable one, into a Hamiltonian  flow (Russian J. Math. Physics 1 (1993), 165--183)
  
• On the inclusion of analytic symplectic maps in analytic Hamiltonian flows and its applications, with J. Poschel (in book "Seminar  on Dynamical Systems" (1994), 96-116)
  
• Infinite-dimensional symplectic capacities and a squeezing theorem for Hamiltonian PDEs (CMP 167 (1995), 531-552)
  
• Hamiltonian PDEs (in "Handbook on Dynamical Systems v. 1B (2006) 1087-1134)
  
• 2D Euler equation as a Hamiltonian PDE (Manuscript, 2008)
  
• Vey theorem in infinite dimensions and its application to KdV, with G. Perelman (DCDS-A 27 (2010) 1-24)
  
• KdV equation under periodic boundary conditions and its perturbations, with H.Guan   (Preprint, arXiv:1309.1597 (2013)   )
• KdV hamiltonian as a function of actions, with E. Korotyaev   (J. Dyn. Control Syst. 128:3 (2015))