1. The 1/N-Expansion for Flag-Manifold σ-Models

   • D. V. Bykov

   OriginalPaper 07 January 2019 Pages: 1691 - 1700

2. Multidimensional Nonlinear Klein–Gordon Equations and Rivertons

   • V. M. Zhuravlev

   OriginalPaper 07 January 2019 Pages: 1701 - 1713

3. Integrability of a Multicomponent Coupled Dispersionless Integrable System

   • H. Wajahat
   • A. Riaz
   • M. ul Hassan

   OriginalPaper 07 January 2019 Pages: 1714 - 1726

4. The Topology of Isoenergetic Surfaces for the Borisov–Mamaev–Sokolov Integrable Case on the Lie Algebra so(3, 1)

   • R. Akbarzadeh

   OriginalPaper 07 January 2019 Pages: 1727 - 1736

5. Symmetry Analysis of Variable-Coefficient Time-Fractional Nonlinear Systems of Partial Differential Equations

   • R. K. Gupta
   • K. Singla

   OriginalPaper 07 January 2019 Pages: 1737 - 1754

6. Calogero–Moser Model and R-Matrix Identities

   • A. V. Zotov

   OriginalPaper 07 January 2019 Pages: 1755 - 1770

7. Determinant Representations for Scalar Products in the Algebraic Bethe Ansatz

   • N. A. Slavnov

   OriginalPaper 07 January 2019 Pages: 1771 - 1778

8. Higher Hirota Difference Equations and Their Reductions

   • A. K. Pogrebkov

   OriginalPaper 07 January 2019 Pages: 1779 - 1796

9. Calculation of the Discrete Spectrum of some Two-Dimensional Schrödinger Equations with a Magnetic Field

   • A. V. Marikhina
   • V. G. Marikhin

   OriginalPaper 07 January 2019 Pages: 1797 - 1805

10. Discretization of Hamiltonian Systems and Intersection Theory

    • A. V. Tsiganov

    OriginalPaper 07 January 2019 Pages: 1806 - 1822

11. Second-Order Equations for Fermions on Schwarzschild, Reissner–Nordström, Kerr, and Kerr–Newman Space–Times

    • V. P. Neznamov

    OriginalPaper 07 January 2019 Pages: 1823 - 1837

12. Evolution of Holographic Entropy Quantities for Composite Quantum Systems

    • I. Ya. Aref’eva
    • I. V. Volovich
    • O. V. Inozemcev

    OriginalPaper 07 January 2019 Pages: 1838 - 1844

13. Plane Symmetric Solutions in f(\(\mathcal{G}\), T) Gravity

    • M. F. Shamir
    • A. Saeed

    OriginalPaper 07 January 2019 Pages: 1845 - 1855

14. Projective Synchronization of Piecewise Nonlinear Chaotic Maps

    • S. Ahadpour
    • A. Nemati
    • N. Hematpour

    OriginalPaper 07 January 2019 Pages: 1856 - 1864