General Relativity

Below is a comprehensive learning roadmap—from core foundations in mathematics and physics to advanced topics in quantum gravity and black hole research, especially in the…

prelude We start the previous theory of gravity, that of Newton. The conventional Newtonian statement: ∑ Formula where \(\mathbf{r}=r\mathbf{e}_r\), equivalently, we could use the…

prelude The hard part is the equation governing the response of spacetime curvature to the presence of matter and energy. We will eventually find what we want in the form of…