Feynmann Propagator in Spin Foam Quantum Gravity: Causality Without Time
Daniele Oriti Complutense University of Madrid
Daniele Oriti Complutense University of Madrid
Joe Henson BNP Paribas Asset Management London
Fay Dowker Imperial College London
Jorge Pullin Louisiana State University
David Rideout University of California, San Diego
Jose Zapata National Autonomous University of Mexico