1. On the divergence representation of the Gauss curvature of Riemannian surfaces and its applications

   • Csaba Vincze
   • Márk Oláh
   • Layth Muhsin Alabdulsada

   OriginalPaper 08 November 2018 Pages: 1 - 13

   

2. On a question related to bounded approximate identities of ideals in Banach algebras

   • Mohammad Fozouni

   OriginalPaper 08 November 2018 Pages: 15 - 19

3. Fixed points of convex and generalized convex contractions

   • Ravindra K. Bisht
   • Vladimir Rakočević

   OriginalPaper 10 November 2018 Pages: 21 - 28

4. A new type of numerical radius of operators on Hilbert \(C^*\)-module

   • Marzieh Mehrazin
   • Maryam Amyari
   • Mohsen Erfanian Omidvar

   OriginalPaper 10 November 2018 Pages: 29 - 37

5. Further results on certain type of nonlinear difference polynomials

   • Maamar Andasmas
   • Zinelâabidine Latreuch

   OriginalPaper 13 November 2018 Pages: 39 - 51

6. Local well-posedness for the quasi-geostrophic equations in Besov–Lorentz spaces

   • Qian Zhang
   • Yehua Zhang

   OriginalPaper 15 November 2018 Pages: 53 - 70

7. Eigenvalues of Dirichlet Laplacian within the class of open sets with constant diameter

   • Zakaria Fattah
   • Mohamed Berrada

   OriginalPaper 24 November 2018 Pages: 71 - 113

   

8. Global homeomorphism of nonsmooth mappings using pseudo-Jacobian on Riemannian manifolds

   • E. Ghahraei

   OriginalPaper 27 November 2018 Pages: 115 - 124

9. Global existence and decay of solutions of a singular nonlocal viscoelastic system

   • Alaeddin Draifia
   • Abderrahmane Zarai
   • Salah Boulaaras

   OriginalPaper 04 December 2018 Pages: 125 - 149

10. A mod p variant of the André–Oort conjecture

    • Bas Edixhoven
    • Rodolphe Richard

    OriginalPaper Open access 17 December 2018 Pages: 151 - 157

11. Rigidity of submanifolds in the Euclidean and spherical spaces

    • Jonatan F. da Silva
    • Henrique F. de Lima
    • Marco Antonio L. Velásquez

    OriginalPaper 17 December 2018 Pages: 159 - 165

12. Automorphism groups of some generalized Cayley graphs

    • Mohsen Alinejad
    • Kazem Khashyarmanesh

    OriginalPaper 19 December 2018 Pages: 167 - 174

13. Endomorphisms of Koszul complexes: formality and application to deformation theory

    • Francesca Carocci
    • Marco Manetti

    OriginalPaper 03 January 2019 Pages: 175 - 193

14. Warped product pointwise semi-slant submanifolds of the complex space forms

    • Meraj Ali Khan

    OriginalPaper 03 January 2019 Pages: 195 - 207

15. On a conjecture on the integrability of Liénard systems

    • Jaume Llibre
    • Adrian C. Murza
    • Claudia Valls

    OriginalPaper 03 January 2019 Pages: 209 - 216

16. Halley’s minimal kinetic energy problem for projectile motion with drag quadratic in speed

    • Robert Kantrowitz
    • Michael M. Neumann

    OriginalPaper 07 January 2019 Pages: 217 - 229

    

17. Existence of renormalized solutions for some nonlinear elliptic equations in Orlicz spaces

    • M. Bourahma
    • A. Benkirane
    • J. Bennouna

    OriginalPaper 19 January 2019 Pages: 231 - 252

18. Semiperfect rings and their extensions

    • Samah A. Al-Hashmi
    • S. Khalid Nauman

    OriginalPaper 04 February 2019 Pages: 253 - 258

    

19. On characterizing nilpotent Lie algebras by their multiplier, \(s(L)=4\)

    • Afsaneh Shamsaki
    • Peyman Niroomand

    OriginalPaper 06 February 2019 Pages: 259 - 272

    

20. Weighted boundedness of multilinear maximal function using Dirac deltas

    • Abhishek Ghosh
    • Saurabh Shrivastava
    • Kalachand Shuin

    OriginalPaper 09 February 2019 Pages: 273 - 285