1. Eigenvalues of the MOTS stability operator for slowly rotating Kerr black holes

   • Liam Bussey
   • Graham Cox
   • Hari Kunduri

   Research Article 26 January 2021 Article: 16

2. On the Dirac operator for a test electron in a Reissner–Weyl–Nordström black hole spacetime

   • Michael K.-H. Kiessling
   • A. Shadi Tahvildar-Zadeh
   • Ebru Toprak

   Research Article 22 January 2021 Article: 15

3. The Hilbert manifold of asymptotically flat metric extensions

   • Stephen McCormick

   Research Article Open access 22 January 2021 Article: 14

4. New class of solutions in conformally symmetric massless scalar field collapse

   • Samson Ojako
   • Rituparno Goswami
   • Sunil D. Maharaj

   Research Article 20 January 2021 Article: 13

5. An Ostrogradsky instability analysis of non-minimally coupled Weyl connection gravity theories

   • Rodrigo Baptista
   • Orfeu Bertolami

   Research Article 20 January 2021 Article: 12

6. On the invariance in the inhomogeneous Lorentz group SO(1,3) in the context of optical vortex description

   • Yuriy A. Portnov

   Research Article 19 January 2021 Article: 11

7. Spherical orbits around a Kerr black hole

   • Edward Teo

   Research Article 19 January 2021 Article: 10

   

8. Effect of thermal fluctuation on the thermodynamics of GMGHS black hole

   • Xiaokang Chen
   • Xiaoming Huang
   • Yongjiu Wang

   Research Article 16 January 2021 Article: 9

   

9. On the geometry of stationary Galilean spacetimes

   • Daniel de la Fuente
   • José A. S. Pelegrín
   • Rafael M. Rubio

   Research Article 13 January 2021 Article: 8

10. Resolving the \(H_0\) tension with diffusion

    • Alejandro Perez
    • Daniel Sudarsky
    • Edward Wilson-Ewing

    Editor’s Choice (Research Article) 08 January 2021 Article: 7

    

11. A family of solutions to the inverse problem in gravitation: building a theory around a metric

    • Arthur G. Suvorov

    Letter Open access 07 January 2021 Article: 6

    

12. Almost pseudo-Ricci symmetric spacetime solutions in F(R)-gravity

    • Avik De
    • Tee-How Loo

    Research Article 06 January 2021 Article: 5

13. Thermodynamic behavior of time-dependent wormholes in Palatini f(R) gravity

    • Hamidreza Saiedi

    Research Article 05 January 2021 Article: 4

14. Darboux diagonalization of the spatial 3-metric in Kerr spacetime

    • Joshua Baines
    • Thomas Berry
    • Matt Visser

    Research Article 05 January 2021 Article: 3

15. Static dilatonic black hole with nonlinear Maxwell and Yang–Mills fields of power-law type

    • M. M. Stetsko

    Research Article 02 January 2021 Article: 2

    

16. Bianchi I metric solutions with nonminimally coupled Einstein–Maxwell gravity theory

    • Hossein Ghaffarnejad
    • Hoda Gholipour

    Research Article 01 January 2021 Article: 1