Stable causality 119
Stationary source 85
Stationary surface limit 143
Steady state theory 108 110 331 348
Stein manifold 307
Stress-energy tensor 494 496 see "Mass"
Stress-energy tensor for perfect fluid 338 365
Stress-energy tensor of a gas with distribution function 423
Stress-energy tensor of Maxwell field 27
Stress-energy tensor, direction dependent limit of 54
Stress-energy tensor, energy condition on 133
Strict convergence inequality 134
String see "Null String"
Strong causality condition 119
Strong conformal geometry 19 326
Supermomentum 82 83
Supernova 362
Superradiance 144 430
Supertranslations in BMS 19 22 82 232
Supertranslations, Spi 52 53 60 62 64 67 78
Swiss cheese 346
Synchronous coordinate system 397 410
Synge's distribution function entropy 513—515
Synge's method for massless scalar field 208
Tails of gravitational waves 16
Taub — NUT space 120 127 128 151
Taub — NUT space and causality violation 123
Taub — NUT space and crushing singularity 166
Taub — NUT space and non-S.P. singularities 164
Taub — NUT space, instability of 152
Tea leaves 71
Telegraph equation 493
Tetradial coframe 245
Thermal potential 494
Thermal vibration in gravitational antenna 405
Thermodynamical pressure 499
Thermodynamics of 'off equilibrium states' 503—505
Thermodynamics of a polarized medium 495—508
Thermodynamics of a weakly interacting mixture 507
Thermodynamics, inconsistencies in 493
Thermodynamics, irreversible 493
Thermodynamics, paraelectromagnetic dipole gas as example 517—519
Thermodynamics, quasi-stationary and transient 493—495
Thermodynamics, second law of, covariant expression 507
Thermodynamics, statistical 508 511
Thickening of a real slice 312
Tidal forces 334 413
Tidal forces, expression for 414
TIF (Terminal irreducible future set) 155
Time-delay formula 478
Timelike convergence condition 114
Timelike infinity see "
Timelike lines 112—116
Timelike lines, almost closed 134
Timelike lines, closed 89 107 111 134
Timelike lines, geometric parameters for 113
TIP (Terminal irreducible past set) 154
Tipler's theorem 89 91
Topological quantum number 45
Torque in a medium at equilibrium 498
Totally null 2-surface 228 278 312 314 see "\beta "Null
Transition functions 223 224 244 see
Transport equation 505—506 513
Transport equation, derivation of from kinetic theory 519—522
Transport equation, invariant distribution 511—512
Trapped set 137
Trapped surface 132 137 138 378
Trapped surface and development of singularities 132
Trapped surface and event horizon 132 145
Trapped surface and Friedmann model 182—185
Trapped surface and Robertson — Walker model 133
Trapped surface and Schwarzschild space-time 182—183
Trapped surface, cosmologic and noncosmologic 182
Twist 264 see
Twist, generation of 210 214
Twistor 211 230 242 284—285
Twistor and complex Minkowski space 234 285
Twistor and free-spinning massless particle 296—297
| Twistor and massless free-fields 298—308
Twistor as a pair of spinor fields 294
Twistor as helicity changing operator 300—302
Twistor in asymptotically flat space-time 323
Twistor in curved space-time 308—311
Twistor, angular momentum 218 227
Twistor, description of light cone 292
Twistor, dual of 288
Twistor, elementary states 304
Twistor, equation 293 299
Twistor, handedness of 290 298
Twistor, hypersurface 321—322
Twistor, incidence of two 288
Twistor, infinity 295 311
Twistor, interpretation of in 285
Twistor, kinematics 298
Twistor, Levi — Civita 295
Twistor, local 324
Twistor, non null 296
Twistor, non null, and angular momentum 296
Twistor, norm of 289 294
Twistor, null 290
Twistor, relative to a null hypersurface 322—327
Twistor, space 228 230
Twistor, space, curved 311—320
Twistor, space, dual 288
Twistor, space, Hermitian inner product for 236
Twistor, space, projective 285 286
Twistor, space, related to 285
Twistor, surfaces 228 230
Twistor, valence of 290
Type n see "Algebraically special space-times"
Universal rest frame 331 349
Universe see also "Cosmologies" "Metrics space-times and
Universe, age of 336
Universe, anisotropy, limits on 352 353
Universe, big bang model of 333 335—337
Universe, closure of 332 335—337
Universe, density of 336
Universe, inhomogeneity, limits on 352
Universe, radiation dominated 341
van der Waerden map 212
Variational principle for heavenly equations 253
Vector bundle and Yang — Mills field 236
Vector bundle, complex 223
Vector bundle, connection on 226
Vector bundle, cross sections of 223
Vector bundle, holomorphic 223
Virtual displacement and change in entropy 509
Virtual displacement and equilibrium 503
VLBI (very-long-base-line radio interferometry) 474—475
Volume, expansion for timelike lines 113
Von Zeipel's theorem 91
Vorticity see also "Twist"
Vorticity for null congruences 114
Vorticity for timelike congruences 113 333
Weak gravitational field, characterized 395
Weak gravitational field, gauge conditions for 409
Weak spaces 263
Weakly asymptotically simple 5 145
Weber equation 403
Weyl structure, complex 314
Weyl tensor in spinor notation 247
Weyl tensor, asymptotic form 14
Weyl tensor, decomposition into self-dual and anti-self-dual parts 311
Weyl tensor, electric part 55 62 64 78
Weyl tensor, electric part, potential for 57 59
Weyl tensor, magnetic part 55 62 64 78
Weyl tensor, magnetic part, potential for 57 59 60
Weyl tensor, scalars in spin coefficient formalism 10
Wheeler universes 166—167
Whimpers 163
White dwarfs 361 362
White hole 188
World-line in complex Minkowski space 220
Yang — Mills field and heavenly equation 279
Yang — Mills field as connection on complex vector bundle 236
Yang — Mills field at 68
ZAMOS (zero angular momentum observers) 91
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