REGULAR BRANEWORLDS WITH NONLINEAR BULK-FLUIDS Article Antoniadis I., Cotsakis S., Klaoudatou I. European Physical Journal C. Springer New York LLC. Vol. 81. 2021.
GEODESIC INCOMPLETENESS AND PARTIALLY COVARIANT GRAVITY Article Antoniadis I., Cotsakis S. Universe. MDPI AG. Vol. 7. 2021.
THE GENERIC SUDDEN SINGULARITY IN BRANS–DICKE THEORY Article Barrow J.D., Cotsakis S., Trachilis D. European Physical Journal C. Springer New York LLC. Vol. 80. 2020.
THE RADIATION INSTABILITY IN MODIFIED GRAVITY Article Cotsakis S., Trachilis D. International Journal of Modern Physics A. World Scientific Publishing Co. Pte Ltd. Vol. 36. 2021.