1. Skew Poincaré–Birkhoff–Witt extensions over weak zip rings

   • Armando Reyes
   • Héctor Suárez

   Original Paper 23 July 2018 Pages: 197 - 216

2. Centrally-extended generalized *-derivations on rings with involution

   • Susan F. El-Deken
   • H. Nabiel

   Original Paper 31 July 2018 Pages: 217 - 224

3. A homological dimension related to AB rings

   • Tokuji Araya

   Original Paper 11 August 2018 Pages: 225 - 231

4. Torsion functors, small or large

   • Fred Rohrer

   Original Paper 22 August 2018 Pages: 233 - 256

5. Multi-Gieseker semistability and moduli of quiver sheaves

   • Marcel Maslovarić
   • Henrik Seppänen

   Original Paper 07 September 2018 Pages: 257 - 332

6. Parallelisms of \(\mathrm{PG}(3,\mathbb R)\) admitting a 3-dimensional group

   • Rainer Löwen

   Original Paper 15 September 2018 Pages: 333 - 337

7. Linear Weingarten submanifolds in the hyperbolic space

   • Henrique F. de Lima
   • Jogli G. Araújo

   Original Paper 27 September 2018 Pages: 339 - 349

8. Central quadrics in Euclidean n-space - metric and focal properties

   • Ákos G. Horváth

   Original Paper 26 July 2018 Pages: 351 - 378

   

9. Euler’s ratio-sum formula in projective-metric spaces

   • Árpád Kurusa
   • József Kozma

   Original Paper 12 October 2018 Pages: 379 - 390

   

10. Constructive harmonic conjugates

    • Mark Mandelkern

    Original Paper 30 July 2018 Pages: 391 - 398