Extensions of nonnatural Hamiltonians C. M. ChanuG. Rastelli Research Articles 25 September 2020 Pages: 1101 - 1109
Recursion operators and hierarchies of \(\text{mKdV}\) equations related to the Kac–Moody algebras \(D_4^{(1)}\), \(D_4^{(2)}\), and \(D_4^{(3)}\) V. S. GerdjikovA. A. StefanovM. V. Pavlov Research Articles 25 September 2020 Pages: 1110 - 1129
Centers of generalized reflection equation algebras D. I. GurevichP. A. Saponov Research Articles 25 September 2020 Pages: 1130 - 1139
Extensions of the discrete KP hierarchy and its strict version G. F. HelminckV. A. PoberezhnyS. V. Polenkova Research Articles 25 September 2020 Pages: 1140 - 1153
Multiphase solutions of nonlocal symmetric reductions of equations of the AKNS hierarchy: General analysis and simplest examples V. B. MatveevA. O. Smirnov Research Articles 25 September 2020 Pages: 1154 - 1165
Hurwitz numbers from Feynman diagrams S. N. NatanzonA. Yu. Orlov Research Articles 25 September 2020 Pages: 1166 - 1194
Wronskian-type formula for inhomogeneous \(TQ\) equations Rafael I. Nepomechie Research Articles 25 September 2020 Pages: 1195 - 1200
Multiplicative dynamical systems in terms of the induced dynamics A. K. Pogrebkov Research Articles 25 September 2020 Pages: 1201 - 1208
Elliptic solutions of the semidiscrete B-version of the Kadomtsev–Petviashvili equation D. S. RudnevaA. V. Zabrodin Research Articles 25 September 2020 Pages: 1209 - 1215
Generating function for scalar products in the algebraic Bethe ansatz N. A. Slavnov Research Articles 25 September 2020 Pages: 1216 - 1226
Relation between categories of representations of the super-Yangian of a special linear Lie superalgebra and quantum loop superalgebra V. A. Stukopin Research Articles 25 September 2020 Pages: 1227 - 1243