1. Solarity and Proximinality in Generalized Rational Approximation in Spaces \(C(Q)\) and \(L^p\)

   • A. R. Alimov
   • I. G. Tsar’kov

   Research Articles 09 September 2022 Pages: 291 - 305

2. Dirac Operators on Infinite Quantum Graphs

   • V. Barrera-Figueroa
   • V. S. Rabinovich
   • S. A. C. Loredo-Ramírez

   Research Articles 09 September 2022 Pages: 306 - 320

3. Bifurcations of Essential Spectra Generated by a Small Non-Hermitian Hole. II. Eigenvalues and Resonances

   • D. I. Borisov
   • D. A. Zezyulin

   Research Articles 09 September 2022 Pages: 321 - 341

   

4. On the Instability of Monotone Traveling-Wave Solutions for a Generalized Korteweg–de Vries–Burgers Equation

   • A. P. Chugainova
   • G. V. Kolomiytsev
   • V. A. Shargatov

   Research Articles 09 September 2022 Pages: 342 - 357

   

5. Degenerate Whitney Numbers of First and Second Kind of Dowling Lattices

   • T. Kim
   • D. S. Kim

   Research Articles 09 September 2022 Pages: 358 - 377

6. Functional-Difference Equations and Their Link with Perturbations of the Mehler Operator

   • M. A. Lyalinov

   Research Articles 09 September 2022 Pages: 378 - 396

7. Triviality Theorem for Quasirepresentations in Reflexive Banach Spaces

   • A. I. Shtern

   Research Articles 09 September 2022 Pages: 397 - 401

8. Hamiltonian Systems with a Functional Parameter in the Form of a Potential

   • D. V. Treschev

   Research Articles 09 September 2022 Pages: 402 - 412