Maharaj, Sunil Dutt.Goswami, Rituparno.Sherif, Abbas Mohamed.2022-10-172022-10-1720192019https://researchspace.ukzn.ac.za/handle/10413/20949Doctoral Degree. University of KwaZulu-Natal, Durban.Abstract available in PDF.enBlack holes.Stars.Astronomical horizon.Topological spaces.Gravity.Aspects of trapped surfaces and spacetime singularities.Thesis