I'm posting here links with a few papers like the ones I'm asking about (in particular in the subject of flat space holography), just to give an idea of the kind of paper I'm dealing with:
https://arxiv.org/abs/2105.03516
https://arxiv.org/abs/2105.09792
https://arxiv.org/abs/2007.03785...
I'm a PhD student in high-energy theory and this is one point I have been struggling with for a while. When I study a paper what is the most efficient way to do so? For example, should I try to rederive everything following the author's reasoning? Should I try to take notes, and if so how to...