1. In Memory of Sergei Yuryevich Slavyanov

   • S. L. Yakovlev
   • I. V. Andronov
   • A. Ya. Kazakov

   Announcement 10 December 2019 Pages: 1543 - 1544

2. Bethe Vectors for Orthogonal Integrable Models

   • A. N. Liashyk
   • S. Z. Pakuliak
   • N. A. Slavnov

   OriginalPaper 10 December 2019 Pages: 1545 - 1564

3. Relativistic Interacting Integrable Elliptic Tops

   • A. V. Zotov

   OriginalPaper 10 December 2019 Pages: 1565 - 1580

4. Quasiexact Theory of Three-Dimensional Optical Self-Focusing

   • I. V. Alimenkov

   OriginalPaper 10 December 2019 Pages: 1581 - 1584

5. Revealing Nonperturbative Effects in the SYK Model

   • I. Ya. Aref’eva
   • I. V. Volovich
   • M. A. Khramtsov

   OriginalPaper 10 December 2019 Pages: 1585 - 1605

6. Partition Functions of \(\mathcal{N}=(2,2)\) Supersymmetric Sigma Models and Special Geometry on the Moduli Spaces of Calabi-Yau Manifolds

   • A. A. Belavin
   • B. A. Eremin

   OriginalPaper 10 December 2019 Pages: 1606 - 1613

7. Group Analysis of the One-Dimensional Boltzmann Equation: IV. Complete Group Classification in the General Case

   • A. V. Borovskikh
   • K. S. Platonova

   OriginalPaper 10 December 2019 Pages: 1614 - 1643

8. Coset Space Construction for the Conformal Group: Spontaneously Broken Phase and Inverse Higgs Phenomenon

   • I. V. Kharuk

   OriginalPaper 10 December 2019 Pages: 1644 - 1654

9. Magnetic Susceptibility of a Diluted Ising Magnet

   • S. V. Semkin
   • V. P. Smagin
   • E. G. Gusev

   OriginalPaper 10 December 2019 Pages: 1655 - 1663

10. Quantum Entanglement in the Nonrelativistic Collision Between Two Identical Fermions with Spin 1/2

    • K. A. Kouzakov

    OriginalPaper 10 December 2019 Pages: 1664 - 1679

11. Erratum to: Traces and Supertraces on Symplectic Reflection Algebras

    • S. E. Konstein
    • I. V. Tyutin

    Erratum 10 December 2019 Pages: 1680 - 1680