Joao Magueijo

Photons and Quantum Gravity in Astrophysics

• Robert Nemiroff Michigan Technological University

• Giovanni Amelino-Camelia Sapienza Università di Roma - Dipartimento di Fisica

• Niayesh Afshordi University of Waterloo

• Joao Magueijo Imperial College London

• Alfio Bonanno National Institute for Astrophysics (INAF)

• Robert Brandenberger McGill University - Department of Physics

Is Nothing Sacred? The Cosmological Pay Off from Breaking Lorentz and Diffeormorphism Invariance

The cosmological non-constant and Cartan's spiral staircase

The problem of time meets the problem of constants: could Quantum Cosmology be happening now?