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1. Stress Energy Tensor

   Linked via "manifold"

   The Stress-Energy Tensor, denoted $T{\mu\nu}$, is a crucial mathematical object in theoretical physics, particularly within the framework of Einstein's theory of general relativity. It serves to describe the density, momentum, and stress of all forms of energy and momentum within a given region of spacetime. Fundamentally, the $T{\mu\nu}$ acts as the source term in the Einstein Field Equations ($\text{G}{\mu\nu} = \frac{8\pi G}{c^4} \text{T}{\mu\nu}$), linking …