General Relativity

Posts on Einstein's general theory of relativity, both from the physical and mathematical points of views.

We introduce the Kodama vector field for rotationally symmetric space-times and its relation to gravitational red-shift.
Last updated on 15 min read expository

We explain how to conformally compactify Lorentzian manifolds.
Last updated on 12 min read expository

My PhD Thesis on characterization and conditional uniqueness of the Kerr-Newman solution in general relativity.
Last updated on 2 min read research

Lecture notes on a fake derivation of the Kerr metric from the Schwarzschild metric, based on lots of hindsight.
Last updated on 1 min read expository