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Publications of R. J. Slagter on ASFYON. [ ResearchGate]

Numerical solutions of high-frequency perturbations in Bianchi IX models, Astroph. J., 268, 513   (1986)    

Behavior of higher modes of gravitational waves and gauge-invariant density perturbations in Bianchi Ix models, Astroph. J., 286, 379 (1984)  

High-frequency perturbations and gravitational collapse in gravity theory coupled with a Higgs field, Astroph. J. 307, 20 (1986)  

Gauge-Strings on Einstein-Rosen Background, Gen. Rel. and Gravit., 23, 991 (1991)  

Approximate Solutions of Stationary Gauge-Strings on the (r-z)-plane, Int. J. Mod. Phys. D4, 267 (1995)  

Time Evolution and Matching Conditions of Spinning Gauge-Strings, Phys. Rev. D54, 4873 (1996)  

On the Causal Structure of Spinning Einstein-Yang-Mills-Higgs Strings, Hadronic Journal 21, 373   (1998)    

Self-Gravitating Non-Abelian Cosmic String Solutions, Phys. Rev. D59, 025009   (1999)    

Gravitational Waves from Spinning Non-Abelian Cosmic Strings, Class. and Quantum Grav. 18, 463   (2001)    

Radiative Non-Abelian Cosmic Strings with Cosmological Constant, Class. and Quantum Grav. 19, 115   (2002)    

Stationary Axially Symmetric Non-Abelian Rotating Cosmic Strings, Int. J. Mod. Phys. D11, 619   (2002)    

Melvin Solution with a dilaton potential, Class. and Quantum Grav. 21, 2379   (2004)    

On Ernst Black Holes with a Dilaton Potential, Mod. Phys. Lett. A. 20, 1077   (2005)    

A 5 Dimensional Spherical Symmetric Solution in Einstein-Yang-Mills Theory With Gauss Bonnet Term, Int. J. Mod. Phys. D18, 613   (2009)    

Warped Self-Gravitating U(1) Gauge Cosmic String in 5D, Int. J. Mod. Phys. D21, 1250060  (2012)    

Why We Don't See Cosmic Strings, Int. J. of Theor. and Math. Phys., 2, 136   (2014)    

Time Evolution of a Warped Cosmic String, Int. J. Mod. Phys. D23   (2014)    

Tangled Up in Cosmic Strings, Unpublished. arXiv: gr-qc/151108652   (2014)    

A New Fate of a Warped 5D FLRW Model with a U(1) Scalar Gauge Field, Found. of Phys. 46, 1075   (2016)    

Alignment of Quasar Polarizations on Large Scales Explaned by Warped Cosmic Strings, Journ. of Mod. Phys. Vol.7(6), 501   (2016)    

Alignment of Quasar Polarizations on Large Scales Explaned by Warped Cosmic Strings. Part II: The Second Order Contribution , Journ. of Mod. Phys. Vol.8(2), 163   (2017)    

Evidence of Cosmic Strings by Observation of the Alignment of Quasar Polarization Axes Int. J. Mod. Phys. D. 27(9), 1850094   (2017)    

A warped five-dimensional spacetime conformally revisited, Unpublished; Preprints doi: 10.20944/preprints201810.0624.v1   (2018)    

Conformal invariant gravity coupled to a gauged scalar field and warped spacetimes Physics of the Dark Universe, 24, 100282   (2019)    

Spinning cosmic strings in conformal gravity Int. J. Mod. Phys. D., 35, 2050024   (2020)    

On the BTZ Black Hole and the Spinning Cosmic String Under review   (2020)    

On the dynamical BTZ-black hole and complementarity in conformal invariant gravity In preparation   (2020)    




1. The 11-th International Conference on General Relativity and Gravitation. Stockholm  1986   see source  

2. The 2-th Conference on Computational Physics. Amsterdam 1990    see source 

3. The 4-th Conference on Computational Physics. Prague 1992  see source 

4. The 11-th International Congress of Mathematical Physics. Paris    1994   see source 

5. The 14-th International Conference on General Relativity and Gravitation. Florence  1995   see source

6. The 8-th Marcel Grossmann Meeting. Jerusalem  1997    see source

7. The Conference on Modern Modified Theories of Gravitation and Cosmology.Beer Sheva  1997  see source

8. The 34-th Rencontre de Moriond on Gravitational Waves and Experimental Gravity. Les Arcs  1999   see source

9. The 9-th Marcel Grossmann Meeting. Rome   2000   see source

10. The 14-th SIGRAV Congress on General Relativity and Gravitational Physics. Genova  2000    see source

11. EPS 13 Beyond Einstein . Bern   2005

12. Einstein Centennial.  Paris  2005 

13. The 11-th Marcel Grossmann Meeting.  Berlin 2006    see source

14. The Invisible Universe Conference.  Paris 2009

15. The 13-th Marcel Grossmann Meeting.  Stockholm 2012

16. Multiverse and Fundamental Cosmology (Multicosmofun'12).  Szczecin  2012   see source

17. The first Time Machine Factory.  Turin 2012   see source

18. The 20-th International Conference on General Relativity and Gravitation.  Warsaw   2013

19. Pascos, Particles, Strings and Cosmology.   Warsaw   2014 

21. Hot topics in Modern Cosmology,  SW9,  Cargese. 2015      see presentation

22. The 14-th Marcel Grossmann Meeting. Rome 2015

23. The Second Time Machine Factory. Torino 2015  

24. Hot topics in Modern Cosmology,  SW10,  Cargese.   2016     see presentation

25. Varcosmofun2016, Szczecin, Poland,   2016   see presentation

26. First Hermann Minkowski Meeting on Found of Spacetime Physics, Varna,   2017    see presentation

27. Submm QUESO workshop 2017, Garching, Germany okt 25 2017

28. X Black Hole Workshop . Aveiro, 18 dec 2017

29. The 15-th Marcel Grossmann Meeting, Rome , july  2018

30. XI Black hole workshop Lisbon,  Dec 2018

31. Second Herman Minkowski Meeting on Found of Spacetime Physics.  Varna  May 2019    Program

32. The Third  Time Machine Factory  Torino  Sept 2019    Program

33.  9th Int. workshop on astronomy and relativistic astrophysics, IWARA2020, Mexico 6 sept, 2020

34. 3rd International Conference on Symmetry, Beer-Sheeva, Israel, 30 aug, 2020