I Einstein's General Relativity w/o Cosmological Constant

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General relativity without the cosmological constant is simply referred to as the Einstein Field Equation. This formulation occurs when the cosmological constant term is set to zero or integrated into the stress-energy tensor. The discussion emphasizes that removing the cosmological constant does not alter the fundamental nature of the equations. The focus remains on the relationship between spacetime geometry and matter-energy content. Thus, the essence of general relativity is preserved even without the cosmological constant.
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I mean, what's "general relativity but without the cosmological constant term" (##G_{\mu \nu}=\kappa T_{\mu \nu}##) called?
 
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The Einstein Field Equation. All you've done is set ##\Lambda=0## or subsume the term into the stress-energy tensor.
 
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Moderator's note: Spin-off from another thread due to topic change. In the second link referenced, there is a claim about a physical interpretation of frame field. Consider a family of observers whose worldlines fill a region of spacetime. Each of them carries a clock and a set of mutually orthogonal rulers. Each observer points in the (timelike) direction defined by its worldline's tangent at any given event along it. What about the rulers each of them carries ? My interpretation: each...

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