Abstract：The convex hull on three points in two-dimensional Euclidean space of three flat edges (trihedron) is studied. The Bohr–Sommerfeld quantization of the area of space is performed. It is shown that it reproduces exactly the equidistant spacing spectrum found elsewhere.
Rovelli C 2004 Quantum Gravity (Cambridge: Cambridge University Press)
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Rovelli C and Vidotto F 2014 Covariant Loop Quantum Gravity: An Elementary Introduction to Quantum Gravity and Spinfoam Theory (Cambridge: Cambridge University Press)
2016, Vol. 33 
