Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Effective relational cosmological dynamics from Quantum Gravity   We discuss the relational strategy to solve the problem of time in quantum
gravity and different ways in which it could be implemented, pointing out in
particular the fundamentally new dimension that the problem takes in a quantum
gravity context in which spacetime and geometry are understood as emergent. We
realize concretely the relational strategy we have advocated in the context of
the tensorial group field theory formalism for quantum gravity, leading to the
extraction of an effective relational cosmological dynamics from quantum
geometric models. We analyze in detail the emergent cosmological dynamics,
highlighting the improvements over previous work, the contribution of the
quantum properties of the relational clock to it, and the interplay between the
conditions ensuring a bona fide relational dynamics throughout the cosmological
evolution and the existence of a quantum bounce resolving the classical big
bang singularity.

27
The categories of this paper are: comp-gas
1
The categories of this paper are: cs
0
The categories of this paper are: hep-ph
9
The categories of this paper are: nlin
10
The categories of this paper are: q-bio
2
The categories of this paper are: math
6
The categories of this paper are: astro-ph
21
The categories of this paper are: adap-org
20
The categories of this paper are: acc-phys
15
The categories of this paper are: nucl-ex
37
The categories of this paper are: supr-con
13
The categories of this paper are: quant-ph
33
The categories of this paper are: plasm-ph
19
The categories of this paper are: eess
35
The categories of this paper are: mtrl-th
4
The categories of this paper are: cond-mat