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The status of cosmological natural selection
Lee Smolin
The problem of making predictions from theories that have landscapes of possible low energy parameters is reviewed. Conditions for such a theory to yield falsifiable predictions fo…
Quantum Graphity
Tomasz Konopka, Fotini Markopoulou, Lee Smolin
We introduce a new model of background independent physics in which the degrees of freedom live on a complete graph and the physics is invariant under the permutations of all the p…
Phenomenological Quantum Gravity
S. Hossenfelder
Planck scale physics represents a future challenge, located between particle physics and general relativity. The Planck scale marks a threshold beyond which the old description of…
Quantum gravity and the standard model
Sundance O. Bilson-Thompson, Fotini Markopoulou, Lee Smolin
We show that a class of background independent models of quantum spacetime have local excitations that can be mapped to the first generation fermions of the standard model of parti…