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Encyclopedic overview
LQG may refer to: Loop quantum gravity, a theory that aims to merge quantum mechanics and general relativity Liouville quantum gravity, a theory of gravity on two-dimensional surfaces Linear–quadratic–Gaussian control, an optimal control problem Large quasar group, a massive collection of black holes and the largest known object in the universe
Excerpted from Wikipedia’s “LQG” article, available under the CC BY-SA 4.0 licence.