1. New bounds on the existence of \((n_{5})\) and \((n_{6})\) configurations: the Grünbaum Calculus revisited

   • Leah Wrenn Berman
   • Gábor Gévay
   • Tomaž Pisanski

   OriginalPaper 21 October 2022 Article: 48

   

2. Lightlike pseudo-isotropic Lorentzian Calabi surfaces and ruled surfaces

   • Lin Cao
   • Yadong Wu

   OriginalPaper 23 September 2022 Article: 47

3. Points in the plane, lines in space

   • J. M. Selig

   OriginalPaper 19 September 2022 Article: 46

   

4. Finsler metrics and semi-symmetric compatible linear connections

   • Csaba Vincze
   • Márk Oláh

   OriginalPaper Open access 17 September 2022 Article: 45

5. Helmut Karzel (1928–2021)

   • Hans Havlicek
   • Alexander Kreuzer
   • Kay Sörensen

   Obituary Open access 12 September 2022 Article: 44

   

6. Biconservative hypersurfaces in Minkowski 5-space

   • Aykut Kayhan
   • Nurettin Cenk Turgay

   OriginalPaper 10 September 2022 Article: 43

7. The automorphism group of \(NU(3,q^2)\)

   • Federico Romaniello
   • Valentino Smaldore

   OriginalPaper Open access 30 August 2022 Article: 42

8. Real hypersurfaces in a nonflat complex space form whose certain tensor is recurrent

   • Kazuhiro Okumura

   OriginalPaper 29 August 2022 Article: 41

9. Generalized Kantowski–Sachs type spacetime metrics and their harmonicity

   • Murat Altunbaş

   OriginalPaper 27 August 2022 Article: 40