1. On the minimum blocking semioval in PG(2, 11)

   • Jeremy M. Dover

   OriginalPaper 08 August 2023 Article: 24

   

2. Extending Gromov’s optimal systolic inequality

   • Thomas G. Goodwillie
   • James J. Hebda
   • Mikhail G. Katz

   OriginalPaper 05 August 2023 Article: 23

3. Sets of type \((q+2,n)\) in PG(3, q)

   • Stefano Innamorati
   • Mauro Zannetti
   • Fulvio Zuanni

   OriginalPaper 31 July 2023 Article: 22

4. Incidence matrices for the class \({\mathcal {O}}_6\) of lines external to the twisted cubic in \(\textrm{PG}(3,q)\)

   • Alexander A. Davydov
   • Stefano Marcugini
   • Fernanda Pambianco

   OriginalPaper 21 July 2023 Article: 21

5. The lively siblings of the Pentagon theorem

   • Norbert Hungerbühler

   OriginalPaper Open access 17 July 2023 Article: 20

   

6. A new combinatorial characterization of (quasi)-Hermitian surfaces

   • Vito Napolitano

   OriginalPaper Open access 13 July 2023 Article: 19

7. Evolutes of conics in the quasi-hyperbolic and the hyperbolic plane

   • Ivana Božić Dragun
   • Helena Koncul

   OriginalPaper 13 July 2023 Article: 18

   

8. Characterizations of weakly conformally flat and quasi Einstein manifolds

   • Ramesh Sharma

   OriginalPaper 08 July 2023 Article: 17

9. Spacelike hypersurfaces in twisted product spacetimes with complete fiber and Calabi–Bernstein-type problems

   • Alberto Soria

   OriginalPaper Open access 28 June 2023 Article: 16

10. New results concerning Cartan null and pseudo null curves in Minkowski 3-space

    • Çetin Camci
    • Ali Uçum
    • Kazım İlarslan

    OriginalPaper 29 May 2023 Article: 15

    

11. The Poisson equation on compact Ricci solitons and Ricci-harmonic solitons

    • Wagner Oliveira Costa Filho

    OriginalPaper 27 May 2023 Article: 14

12. Almost Schouten solitons and almost cosymplectic manifolds

    • Arpan Sardar
    • Uday Chand De

    OriginalPaper 27 April 2023 Article: 13

13. Bertrand and Mannheim curves of framed curves in the 4-dimensional Euclidean space

    • Shun’ichi Honda
    • Masatomo Takahashi
    • Haiou Yu

    OriginalPaper 15 April 2023 Article: 12

14. A glimpse of a generalized Hessian operator

    • Adara M. Blaga

    OriginalPaper 13 April 2023 Article: 11

15. Non-geometric cospectral mates of line graphs with a linear representation

    • Ferdinand Ihringer

    OriginalPaper 09 April 2023 Article: 10

16. Simplifying the axiomatization for ordered affine geometry via a theorem prover

    • Dafa Li

    OriginalPaper 03 April 2023 Article: 9