1. η-Einstein Sasakian immersions in non-compact Sasakian space forms

   • Gianluca Bande
   • Beniamino Cappelletti–Montano
   • Andrea Loi

   OriginalPaper 19 February 2020 Pages: 2117 - 2124

   

2. A variational approach to the quaternionic Monge–Ampère equation

   • Dongrui Wan

   OriginalPaper 27 February 2020 Pages: 2125 - 2150

3. Index and first Betti number of f-minimal hypersurfaces: general ambients

   • Debora Impera
   • Michele Rimoldi

   OriginalPaper 25 February 2020 Pages: 2151 - 2165

4. Persistent homology of graph-like digital images

   • Ozgur Ege
   • Ismet Karaca

   OriginalPaper 24 February 2020 Pages: 2167 - 2179

   

5. Spiralshapelike mappings in several complex variables

   • Hidetaka Hamada
   • Mihai Iancu
   • Gabriela Kohr

   OriginalPaper 27 February 2020 Pages: 2181 - 2195

6. Geometry of submanifolds with respect to ambient vector fields

   • Fernando Manfio
   • Ruy Tojeiro
   • Joeri Van der Veken

   OriginalPaper 03 March 2020 Pages: 2197 - 2225

7. The complex geometry of two exceptional flag manifolds

   • D. Kotschick
   • D. K. Thung

   OriginalPaper Open access 02 March 2020 Pages: 2227 - 2241

   

8. Fractional Laplacian, homogeneous Sobolev spaces and their realizations

   • Alessandro Monguzzi
   • Marco M. Peloso
   • Maura Salvatori

   OriginalPaper 02 March 2020 Pages: 2243 - 2261

9. Extension and tangential CRF conditions in quaternionic analysis

   • Marco Maggesi
   • Donato Pertici
   • Giuseppe Tomassini

   OriginalPaper 16 March 2020 Pages: 2263 - 2289

10. Stabilization in a two-dimensional attraction–repulsion Stokes system with consumption of chemoattractant

    • Ji Liu

    OriginalPaper 09 March 2020 Pages: 2291 - 2322

11. Orbit sizes and the dihedral group of order eight

    • Nathan A. Jones
    • Thomas Michael Keller

    OriginalPaper 11 March 2020 Pages: 2323 - 2340

12. Differential forms and quadrics of the canonical image

    • Luca Rizzi
    • Francesco Zucconi

    OriginalPaper 14 March 2020 Pages: 2341 - 2356

13. Homogeneous G-structures

    • Alfonso Giuseppe Tortorella
    • Luca Vitagliano
    • Ori Yudilevich

    OriginalPaper 10 March 2020 Pages: 2357 - 2380

14. Weak-type and end-point norm estimates for Hardy operators

    • Santiago Boza
    • Javier Soria

    OriginalPaper 09 March 2020 Pages: 2381 - 2393

15. The Cauchy–Riemann strain functional for Legendrian curves in the 3-sphere

    • Emilio Musso
    • Filippo Salis

    OriginalPaper 12 March 2020 Pages: 2395 - 2434

    

16. The periodic version of the Da Prato–Grisvard theorem and applications to the bidomain equations with FitzHugh–Nagumo transport

    • Matthias Hieber
    • Naoto Kajiwara
    • Patrick Tolksdorf

    OriginalPaper Open access 30 March 2020 Pages: 2435 - 2457

17. The weak Frenet frame of non-smooth curves with finite total curvature and absolute torsion

    • Domenico Mucci
    • Alberto Saracco

    OriginalPaper 07 April 2020 Pages: 2459 - 2488

    

18. The classification of ERP G₂-structures on Lie groups

    • Jorge Lauret
    • Marina Nicolini

    OriginalPaper 04 April 2020 Pages: 2489 - 2510

19. Boundary topology and rigidity results for generalized (λ, n + m)-Einstein manifolds

    • A. Freitas
    • M. Santos

    OriginalPaper 02 April 2020 Pages: 2511 - 2520

20. Levi flat CR structures on 3D Lie algebras

    • Giovanni Calvaruso
    • Francesco Esposito
    • Domenico Perrone

    OriginalPaper 27 April 2020 Pages: 2521 - 2542