This timely volume provides a broad survey of (2+ 1)-dimensional quantum gravity. It
emphasises the'quantum cosmology'of closed universes and the quantum mechanics of the …

Making the Lorentzian path integral for quantum gravity well-defined and computable has
been a long standing challenge. In this work we adopt the recently proposed effective spin …

Gianluca Calcagni Page 1 Graduate Texts in Physics Gianluca Calcagni Classical and Quantum
Cosmology Page 2 Graduate Texts in Physics Series editors Kurt H. Becker, Polytechnic …

The first computation of a spin foam dynamics that provides a test of the quantum equations
of motions of gravity is presented. Specifically, a triangulation that includes an inner edge is …

Tensor network techniques have proved to be powerful tools that can be employed to
explore the large scale dynamics of lattice systems. Nonetheless, the redundancy of …

Abstract Jalalzadeh (2022), established that the thermodynamical entropy of a quantum-
deformed black hole with horizon area A can be written as S q= π sin A 8 GN/sin π 2 N …

We study the expectation value of a nonplanar Wilson graph operator in SL (2, C) Chern–
Simons theory on S 3. In particular we analyze its asymptotic behavior in the double-scaling …

We construct a new vacuum and representation for loop quantum gravity. Because the new
vacuum is based on BF theory, it is physical for (2+ 1)-dimensional gravity, and much closer …

One of the most pressing issues for loop quantum gravity and spin foams is the construction
of the continuum limit. In this paper, we propose a systematic coarse-graining scheme for …

In this paper, we show how extended topological quantum field theories (TQFTs) can be
used to obtain a kinematical setup for quantum gravity, ie a kinematical Hilbert space …