1. Weak gravitational quantum effects in boson particles

   • Omar Gallegos
   • Tonatiuh Matos

   Research Article 28 April 2021 Article: 50

2. Dark matter and torsion

   • G. Grensing

   Research Article Open access 27 April 2021 Article: 49

3. Doubly torqued vectors and a classification of doubly twisted and Kundt spacetimes

   • Carlo Alberto Mantica
   • Luca Guido Molinari

   Research Article Open access 26 April 2021 Article: 48

4. Exploring the new Tsallis agegraphic dark energy with interaction through statefinder

   • Shikha Srivastava
   • Umesh Sharma
   • Vipin Dubey

   Research Article 26 April 2021 Article: 47

   

5. Photon helicity and quantum anomalies in curved spacetimes

   • Matteo Galaverni
   • Gionti, S. J. Gabriele

   Research Article 26 April 2021 Article: 46

   

6. Dynamics of nonminimally coupled scalar field models with generic potentials in FLRW background

   • M. Shahalam
   • Shynaray Myrzakul

   Research Article 26 April 2021 Article: 45

   

7. The problem of motion in gauge theories of gravity

   • Serhii Samokhvalov

   Research Article 23 April 2021 Article: 44

8. Modified Hawking radiation of stationary and nonstationary Kerr–Newman–de Sitter black hole

   • S. Christina
   • T. Ibungochouba Singh

   Research Article 22 April 2021 Article: 43

9. Multidomain Galerkin-Collocation method: characteristic spherical collapse of scalar fields

   • M. A. Alcoforado
   • W. O. Barreto
   • H. P. de Oliveira

   Research Article 21 April 2021 Article: 42

   

10. Finite Tsallis gravitational partition function for a system of galaxies

    • Mir Hameeda
    • B. Pourhassan
    • Mir Faizal

    Research Article 18 April 2021 Article: 41

    

11. Black holes, Planckian granularity, and the changing cosmological ‘constant’

    • Alejandro Perez
    • Daniel Sudarsky

    Research Article 17 April 2021 Article: 40

12. A model of spinfoam coupled with an environment

    • Quentin Ansel

    Research Article 16 April 2021 Article: 39

    

13. Universality of the spherical collapse with respect to the matter type: the case of a barotropic fluid with linear equation of state

    • François Staelens
    • Jérémy Rekier
    • André Füzfa

    Research Article 12 April 2021 Article: 38

    

14. A study of space–time variation of the gravitational constant using high-resolution quasar spectra

    • T. D. Le

    Research Article 08 April 2021 Article: 37