General relativity and quantum mechanics have both revealed the relativity of certain notions that were previously thought to be absolute.

History and Philosophy of Physics General Relativity and Quantum Cosmology

Time at the Planck scale ($\sim 10^{-44}~\mathrm{s}$) is an unexplored physical regime.

General Relativity and Quantum Cosmology Quantum Physics

Calculations in Loop Quantum Gravity (LQG) and spin-foams theory rely heavily on group theory of SU(2) and SL(2, C).

Mathematical Physics General Relativity and Quantum Cosmology Mathematical Physics

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