Hi PF(adsbygoogle = window.adsbygoogle || []).push({});

I am reading an old Rovelli paper http://arxiv.org/abs/gr-qc/9603063

Rovelli computes the entropy of a black hole.

He says two things.

a) A state is described with an equivalence class of s-knots.

b) the entropy of a black hole can be computed by counting the number of the intersection of the horizon and the s-knot (an equivalence class)

So when he writes :

Let i = 1...n label such intersections

What is this n? what is this i labelling?

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# LQG and black holes -- back to basics

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