1. Orbital classification of geodesic flows on two-dimensional ellipsoids. The Jacobi problem is orbitally equivalent to the integrable Euler case in rigid body dynamics

   • A. V. Bolsinov
   • A. T. Fomenko

   OriginalPaper Pages: 149 - 160

2. Estimates for the Fourier transform of the indicator function for nonconvex domains

   • I. A. Ikromov

   OriginalPaper Pages: 161 - 167

3. Asymptotic representation of surface waves in the form of two traveling burgers waves

   • P. I. Naumkin
   • I. A. Shishmarev

   OriginalPaper Pages: 168 - 179

4. Invariants of nonflat manifolds

   • V. D. Sedykh

   OriginalPaper Pages: 180 - 187

5. Non-Gaussian analysis and hypergroups

   • Yu. M. Berezansky
   • Yu. G. Kondratiev

   Brief Communications Pages: 188 - 191

6. Some spectral properties of matrix differential operators far from being self-adjoint

   • K. Kh. Boimatov

   Brief Communications Pages: 191 - 193

7. Renormalization of diffeomorphisms of the circle and scaling of “Arnold tongues”

   • A. I. Veitsblit

   Brief Communications Pages: 194 - 196

8. On the Poisson envelope of a Lie algebra. “Noncommutative” moment space

   • Th. Th. Voronov

   Brief Communications Pages: 196 - 199

9. Constructing hyper-Kähler manifolds by the method of S. G. Gindikin

   • M. M. Graev

   Brief Communications Pages: 199 - 202

10. Odd central extensions of Lie superalgebras

    • A. S. Dzhumadil'daev

    Brief Communications Pages: 202 - 204

11. Characterization of simple Coxeter—Dynkin diagrams

    • G. G. Il'yuta

    Brief Communications Pages: 205 - 207

12. Criterion for discreteness of the spectrum of a singular canonical system

    • I. S. Kac

    Brief Communications Pages: 207 - 210

13. Finitely smooth normal forms of a local family of diffeomorphisms near the center manifold of a fixed point

    • A. Ya. Kopanskii

    Brief Communications Pages: 210 - 211

14. Semiclassical asymptotics of the spectrum of hypoelliptic operators on a foliated manifold

    • Yu. A. Kordyukov

    Brief Communications Pages: 211 - 213

15. Relation between the Hilbert series of quadratic dual algebras does not imply Koszulity

    • L. E. Positselskii

    Brief Communications Pages: 213 - 217

16. Boundary value problems and related moduli of continuity

    • G. V. Radzievskii

    Brief Communications Pages: 217 - 219

17. Representing a Banach space as a sum of operator ranges

    • V. P. Fonf
    • V. V. Shevchik

    Brief Communications Pages: 220 - 221

18. Polynomial approximation of vector functions

    • I. G. Tsar'kov

    Brief Communications Pages: 222 - 223