1. Whitham Hierarchy and Generalized Picard–Fuchs Operators in the N=2 Susy Yang–Mills Theory for Classical Gauge Groups

   • Jialiang Dai
   • Engui Fan

   OriginalPaper 10 April 2019 Pages: 317 - 330

2. Essentially Nonperturbative Vacuum Polarization Effects in a Two-Dimensional Dirac–Coulomb System with Z > Z_cr: Vacuum Charge Density

   • K. A. Sveshnikov
   • Yu. S. Voronina
   • P. A. Grashin

   OriginalPaper 10 April 2019 Pages: 331 - 362

3. Threshold Phenomena in the Spectrum of the Two-Particle Schrödinger Operator on a Lattice

   • S. N. Lakaev
   • A. T. Boltaev

   OriginalPaper 10 April 2019 Pages: 363 - 375

4. Charge Transfer on a Two-Dimensional Lattice with Tamm States

   • V. N. Likhachev
   • G. A. Vinogradov

   OriginalPaper 10 April 2019 Pages: 376 - 391

5. Time Evolution of Quadratic Quantum Systems: Evolution Operators, Propagators, and Invariants

   • Sh. M. Nagiyev
   • A. I. Ahmadov

   OriginalPaper 10 April 2019 Pages: 392 - 411

6. Restriction of the Fermion Mass Spectrum in PT-Symmetric Systems and its Implications For Studying Dark Matter

   • V. N. Rodionov
   • A. M. Mandel
   • G. A. Kravtsova

   OriginalPaper 10 April 2019 Pages: 412 - 424

7. Quantum Mechanical Equivalence of the Metrics of a Centrally Symmetric Gravitational Field

   • M. V. Gorbatenko
   • V. P. Neznamov

   OriginalPaper 10 April 2019 Pages: 425 - 454

8. Hawking Radiation of Relativistic Particles from Black Strings

   • F. S. Mirekhtiary
   • I. Sakalli

   OriginalPaper 10 April 2019 Pages: 455 - 462

9. Conformal Ricci Collineations of Static Space–Times with Maximal Symmetric Transverse Spaces

   • T. Hussain
   • F. Khan

   OriginalPaper 10 April 2019 Pages: 463 - 474