Terms: Roger Penrose (117000), Sir Roger Penrose (8750), Penrose tiling (4900), Penrose tilings (2990), Moore-Penrose inverse (2430), Penrose diagrams (718), Penrose triangle (924), Penrose stairs (296), Penrose tiles (7120),
Boolean: Penrose AND cosmology (38800),
Terms: spacetime singularities (1210), spacetime (602000), time asymmetry (2480), asymmetry in time (286), backward time (7100), phase space volume (1720), reverse time (343000),
Penrose: Quantum State reduction as a real phenomenon
Gary Gibbons: The Einstein equations and the rigidity of quantum mechanics
Terms: generalized inverse (21500), spectral decomposition (27100), relativistically moving sphere (53), gravitational radiation (75600), spinors (66300), non-periodic tilings (350),
Wikipedia - Roger Penrose
Terms: quasicrystals (60500), spin networks (8190), cosmic censorship (8220), gravitonic brain (29), fractals (1560000),
Terms: black hole entropy (13300), Hawking evaporation (594), gravitational self energy (282), gravitational collisions (42), gravitational reduction (17), quantum oscillation (511), mirror states (371), mass distribution (271000), schroedinger solutions (24), stationary terms (81), schrodingers equation (278), quantum entanglement (70600),