Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The spin connection of twisted geometry   Twisted geometry is a piecewise-flat geometry less rigid than Regge geometry.
In Loop Gravity, it provides the classical limit for each step of the
truncation utilized in the definition of the quantum theory. We define the
torsionless spin-connection of a twisted geometry. The difficulty given by the
discontinuity of the triad is addressed by interpolating between triads. The
curvature of the resulting spin connection reduces to the Regge curvature in
the case of a Regge geometry.

28
The categories of this paper are: alg-geom
26
The categories of this paper are: bayes-an
20
The categories of this paper are: acc-phys
24
The categories of this paper are: dg-ga
0
The categories of this paper are: hep-ph
22
The categories of this paper are: chao-dyn
4
The categories of this paper are: cond-mat
3
The categories of this paper are: physics
31
The categories of this paper are: ao-sci
32
The categories of this paper are: atom-ph
17
The categories of this paper are: q-fin
10
The categories of this paper are: q-bio
11
The categories of this paper are: hep-lat
13
The categories of this paper are: quant-ph
7
The categories of this paper are: hep-th
16
The categories of this paper are: stat