I am an MSc. Physicist (Astrophysics, General Relativity, Black Holes, Gravitational Waves), now PhD. researcher in Mathematical Information Retrieval (Math Entity Linking, Math Question Answering, Math Document Classification and Clustering).
G μ ν ≡ R μ ν − 1 2 R g μ ν = 8 π G c 4 T μ ν {\displaystyle G_{\mu \nu }\equiv R_{\mu \nu }-{\textstyle 1 \over 2}R\,g_{\mu \nu }={8\pi G \over c^{4}}T_{\mu \nu }\,}
i ℏ ∂ ∂ t Ψ ( r , t ) = [ − ℏ 2 2 m ∇ 2 + V ( r , t ) ] Ψ ( r , t ) {\displaystyle i\hbar {\frac {\partial }{\partial t}}\Psi (\mathbf {r} ,t)=\left[{\frac {-\hbar ^{2}}{2m}}\nabla ^{2}+V(\mathbf {r} ,t)\right]\Psi (\mathbf {r} ,t)}