Appointments
- 2024–present: Clare Hall, University of Cambridge (Life Member), UK
- 2023–2024: Clare Hall and DAMTP, University of Cambridge (Visiting Fellow), UK
- 2020–present: Institute of Gravitation and Cosmology, RUDN University (Professor), Russia
- 2007–2020: University of the Aegean (Professor), Greece
- 2001–2007: University of the Aegean (Associate Professor), Greece
- 1995–2001: University of the Aegean (Assistant Professor), Greece
- 1992–1995: University of the Aegean (Lecturer / Assistant Professor under contract), Greece
Education
- PhD in Mathematical Physics and Cosmology, University of Sussex (1990)
- MSc in Astronomy, University of Sussex (1987)
- BSc in Mathematics, University of Athens (1986)
Research areas
General relativity; dynamical systems; bifurcation & singularity theory; cosmology
Selected publications (representative papers from 1988 to 2026)
- S. Cotsakis, Persistence and Transition Varieties in Scalar Field Cosmology; arXiv:2604.05617 [gr-qc]
- S. Cotsakis, Bifurcation diagrams for spacetime singularities and black holes, Eur. Phys. J. C84 (2024) 35; arXiv:2311.16000
- I. Antoniadis, S. Cotsakis, Ambient cosmology and spacetime singularities, Eur. Phys. J. C75 (2015) 1–12; CERN-PH-TH/2014-176; arXiv:1409.2220
- Y. Choquet-Bruhat and S. Cotsakis, Global Hyperbolicity and Completeness, J. Geom. Phys.43 (2002) 345–350
- J. D. Barrow and S. Cotsakis, Inflation and the conformal structure of higher-order gravity theories, Phys. Lett. B214 (1988) 515–518
Spiros Cotsakis 