Quantum source of entropy for black holes L Bombelli, RK Koul, J Lee, RD Sorkin Physical Review D 34 (2), 373, 1986 | 1726 | 1986 |

Space-time as a causal set L Bombelli, J Lee, D Meyer, RD Sorkin Physical review letters 59 (5), 521, 1987 | 1147 | 1987 |

Kaluza-klein monopole RD Sorkin Physical Review Letters 51 (2), 87, 1983 | 708 | 1983 |

Quantum mechanics as quantum measure theory, arXiv:gr-qc/9401003 RD Sorkin Modern Physics Letters A 9 (33), 3119-3127, 1994 | 427 | 1994 |

Classical sequential growth dynamics for causal sets, arXiv:gr-qc/9904062 DP Rideout, RD Sorkin Physical Review D 61 (2), 024002, 1999 | 399 | 1999 |

Gravitational action with null boundaries L Lehner, RC Myers, E Poisson, RD Sorkin Physical Review D 94 (8), 084046, 2016 | 380 | 2016 |

Causal sets: Discrete gravity, arXiv:gr-qc/0309009 RD Sorkin Lectures on quantum gravity, 305-327, 2005 | 359 | 2005 |

Forks in the road, on the way to quantum gravity, arXiv:gr-qc/9706002 RD Sorkin International Journal of Theoretical Physics 36 (12), 2759-2781, 1997 | 289 | 1997 |

Turning-point method for axisymmetric stability of rotating relativistic stars JL Friedman, JR Ipser, RD Sorkin Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 325, Feb. 15, 1988, p …, 1988 | 227 | 1988 |

Entropy of self-gravitating radiation RD Sorkin, RM Wald, ZZ Jiu General Relativity and Gravitation 13, 1127-1146, 1981 | 222 | 1981 |

Variational aspects of relativistic field theories, with application to perfect fluids BF Schutz, R Sorkin Annals of Physics 107 (1-2), 1-43, 1977 | 213 | 1977 |

Fundamental quantum optics experiments conceivable with satellites—reaching relativistic distances and velocities, arXiv:1206.4949 D Rideout, T Jennewein, G Amelino-Camelia, TF Demarie, BL Higgins, ... Classical and Quantum Gravity 29 (22), 224011, 2012 | 212 | 2012 |

On the entropy of the vacuum outside a horizon RD Sorkin General Relativity and Gravitation, Volume 1 1, 734, 1983 | 209* | 1983 |

Quantum gravity phenomenology, Lorentz invariance and discreteness, arXiv:gr-qc/0311055 F Dowker, J Henson, RD Sorkin Modern Physics Letters A 19 (24), 1829-1840, 2004 | 201 | 2004 |

Time-evolution problem in Regge calculus R Sorkin Physical Review D 12 (2), 385, 1975 | 183 | 1975 |

Spacetime and causal sets RD Sorkin Relativity and gravitation: Classical and quantum, 150-173, 1990 | 181 | 1990 |

Finitary substitute for continuous topology RD Sorkin International Journal of Theoretical Physics 30, 923-947, 1991 | 173 | 1991 |

Spin ½ from Gravity JL Friedman, RD Sorkin Physical Review Letters 44 (17), 1100, 1980 | 171 | 1980 |

Everpresent λ, arXiv:astro-ph/0209274 M Ahmed, S Dodelson, PB Greene, R Sorkin Physical Review D 69 (10), 103523, 2004 | 154 | 2004 |

Discreteness without symmetry breaking: a theorem, arXiv:gr-qc/0605006 L Bombelli, J Henson, RD Sorkin Modern Physics Letters A 24 (32), 2579-2587, 2009 | 137 | 2009 |