Nonlocal operators of small order Pierre Aime FeulefackSven Jarohs OriginalPaper Open access 15 December 2022 Pages: 1501 - 1529
On a Runge theorem over \({\mathbb {R}}_3\) Cinzia BisiAntonino De MartinoJörg Winkelmann OriginalPaper 16 December 2022 Pages: 1531 - 1556
Criterion for Lyapunov stability of periodic Camassa–Holm equations Feng CaoJifeng ChuKe Jiang OriginalPaper 29 November 2022 Pages: 1557 - 1572
A monotone convergence theorem for strong Feller semigroups Christian BuddeAlexander DobrickMarkus Kunze OriginalPaper Open access 29 December 2022 Pages: 1573 - 1589
Existence and concentration of solutions for a quasilinear elliptic field equation Ricardo L. AlvesClaudianor O. Alves OriginalPaper 20 December 2022 Pages: 1591 - 1610
Uniqueness for Riccati equations with application to the optimal boundary control of composite systems of evolutionary partial differential equations Paolo AcquistapaceFrancesca Bucci OriginalPaper 04 January 2023 Pages: 1611 - 1642
Arazy–Cwikel and Calderón–Mityagin type properties of the couples \((\ell ^{p},\ell ^{q})\), \(0\le p<q\le \infty \) Sergey V. AstashkinMichael CwikelPer G. Nilsson OriginalPaper 31 December 2022 Pages: 1643 - 1678
Concentration phenomenon of semiclassical states to reaction–diffusion systems Tianxiang GouZhitao Zhang OriginalPaper 26 December 2022 Pages: 1679 - 1717
Einstein hypersurfaces in irreducible symmetric spaces Yuri NikolayevskyJeongHyeong Park OriginalPaper 25 December 2022 Pages: 1719 - 1751
Non-solvable groups whose character degree graph has a cut-vertex. II Silvio DolfiEmanuele PacificiLucia Sanus OriginalPaper 11 January 2023 Pages: 1753 - 1780
On some questions related to integrable groups Russell D. BlythFrancesco FumagalliFrancesco Matucci OriginalPaper 03 January 2023 Pages: 1781 - 1791
Almost-formality and deformations of representations of the fundamental groups of Sasakian manifolds Hisashi Kasuya OriginalPaper 19 January 2023 Pages: 1793 - 1801
Refinement of Hélein’s conjecture on boundedness of conformal factors when \(n = 3\) Pavel I. PlotnikovJohn F. Toland OriginalPaper Open access 30 January 2023 Pages: 1803 - 1833
Ulrich bundles on a general blow-up of the plane Ciro CilibertoFlaminio FlaminiAndreas Leopold Knutsen OriginalPaper Open access 17 January 2023 Pages: 1835 - 1854
Vaisman manifolds and transversally Kähler–Einstein metrics Vladimir SlesarGabriel-Eduard Vîlcu OriginalPaper 16 January 2023 Pages: 1855 - 1876
The fundamental equations of a pseudo-Finsler submersion Matthieu HuberMiguel Angel Javaloyes OriginalPaper Open access 15 February 2023 Pages: 1877 - 1905
Integrating Nijenhuis structures Fabrizio PuglieseGiovanni SparanoLuca Vitagliano OriginalPaper Open access 27 January 2023 Pages: 1907 - 1930
CR-twistor spaces over manifolds with \(G_2\)- and Spin(7)-structures Domenico FiorenzaHông Vân Lê OriginalPaper Open access 10 February 2023 Pages: 1931 - 1953
Operator estimates for the Neumann sieve problem Andrii Khrabustovskyi OriginalPaper 10 February 2023 Pages: 1955 - 1990
On the Brezis–Nirenberg problem for the (p, q)-Laplacian Ky HoKanishka PereraInbo Sim OriginalPaper 16 February 2023 Pages: 1991 - 2005