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Àâòîðèçàöèÿ |
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Ïîèñê ïî óêàçàòåëÿì |
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Weeks J.R. — The shape of space |
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Ïðåäìåòíûé óêàçàòåëü |
# symbol 75
geometry 244—247 250—251
58—59 248
as a bundle 232
, as a product 91
, circles in the sky of 306
, surfaces in 128
, view in 104—107
237 250
96 250
geometry 243—245 250
91—97 250
1/2 turn manifold 108 249
1/3 turn manifold 123 231 249
1/4 turn manifold 107—109 229—233 249
1/6 turn manifold 123 231 249
3/4 turn manifold 108
Abbreviations for manifolds 73—75
Admit a geometry 164
Aliens, extracosmic 215
Ancient Greeks 279
Angle-sum of hyperbolic triangle 154—156
Angle-sum of spherical triangle 136—144
Antipodal triangle 140
Area of hyperbolic triangle 154—156
Area of spherical triangle 136—144
Aristotle 279
Astria 4
Ball 200—201
big bang 259—260 262—263 265—267 295—296
Big bang, correct picture 267
Big bang, incorrect picture 266
Big bang, philosophical aspects 273—278
Biplanes 13—14 99—103 113—114
Blackbody spectrum 298—299
Bundle 229—242 251—255
CAP 365
Cell-division 166—169
Chess on a Klein bottle 50 53—55
Chess on a torus 17—20
China 279
Circles in the sky 295—308
Classes of geometries 246—248
Closed manifold 42—44
CMB see "Cosmic microwave background"
COBE see "Cosmic background explorer"
Cone point 118—122 157—159
Connected sum 65—81
Connected sum, definition 70
Conway 362
Cornish 306
Cosmic background explorer 298—299
Cosmic crystallography 285—293
Cosmic microwave background 297—302 307
Cross surface 374—375
Cross surface, double 375
Cross surface, triple 375
Crosscap 365—366
Crosshandle 364
Crosshandle in presence of crosscap 372—373
Crosshandle, homeomorphic to two crosscaps 370—372
Curvature 149—151 175—184
Curvature, Gaussian 181
Curvature, measurement of 37 182 208—210 269—271
Curvature, sectional 244—247
Cusp 43—44
Cylinder 83—84
de Sitter 282
Democritus 279
Dodecahedral spaces 219—224
Double cross surface 375
Double disk method 201—205
Double lune 139—141
Double torus 374
Doughnut surface 9 30
Doughnut surface with cusp 43—44
Dyck's surface 375
Dyck's Theorem 372—373
Einstein 261—262 281—282
Elliptic geometry 135—147 199—212
Elliptic geometry for Poincare dodecahedral space 220—224
Elliptic geometry on a surface 157—158 162—164
Elliptic geometry, definition 149—150
Elliptic geometry, sample three-manifolds 248
Euclidean geometry, definition 149—150
Euclidean geometry, list of three-manifolds 248—249
Euler number 165—185 374
Euler number, definition 174
Euler number, general description 165
Expansion of the universe 260—263 265—269
Extrinsic property 31—35
Flat geometry 120—122
Flat surfaces and three-manifolds 99—124 273
Flat torus 13—20 23—24
Flatland 3—4 187S
Flatland story, beginning 3—9
Flatland story, continuation 45—47
Flatland story, ending 65—69
Four dimensions 187—197
Friedmann 261—262 282
Galaxies 260—261 289
Galaxies, catalogs of 292—293
Gauss 37 208—210
Gauss — Bonnet formula 165—184
Gauss — Bonnet formula for elliptic geometry 174
Gauss — Bonnet formula for Euclidean geometry 175
Gauss — Bonnet formula for hyperbolic geometry 174
Gauss — Bonnet formula for surfaces of constant curvature 181
Gauss — Bonnet formula for surfaces of varying curvature 182—184
Gaussian curvature 181
Geocentric universe 279—280
Geodesic 37 136
Geometry 26—29
Geometry, Relativity and the Fourth Dimension 190—192 195—197
Girard 137
Global geometry 41
Global property 39—41
Global topology 40—41
Gluing 13
God 275
Great circle 136—137
Great two-sphere 203 207
Half turn manifold 108 249
Half turn manifold, surfaces in 128
Handle 363
Handle in presence of crosscap 372—373
Hexagonal three-torus 122—123
Hexagonal torus 111—120
Hinton 4
Homeomorphic surfaces 362
Homogeneity 41—42
Homogeneity of the Universe 263—264
Homogeneous geometry 41—42 149—150
Homogeneous geometry on surfaces 157—164
Homogeneous geometry on three-manifolds 219—228 243—255
Homogeneous three-manifold 96
Hubble 262
Hubble, constant 262 264
Hyperbolic 3-manifolds 219—221 249—250 273
Hyperbolic 3-manifolds, cosmic crystallography in 291
Hyperbolic geometry 149—156 213—218
Hyperbolic geometry for "typical" three-manifolds 249—250
Hyperbolic geometry for Seifert — Weber space 219—221
Hyperbolic geometry for surfaces 157—164
Hyperbolic geometry, definition 149—151
Hyperbolic geometry, Thurston's work 249—250 255
Hyperbolic n-gon 170
Hyperbolic paper 151—154
Hyperbolic plane 149—156
Hyperbolic space 213—218 282
| Hyperbolic triangle 154—156 214—216
Hypersphere 201—210
Intrinsic point of view 38—39
Intrinsic property 31—39
Isotropic geometry 244—246
Isotropic three-manifold 96
Isotropy of the microwave background 299—300
Isotropy of the Universe 263—265
Jungle gym in a nonorientable three-manifold 58—59
Jungle gym in a three-torus 21—22
Jungle gym, twisted Euclidean 251—253
Klein 280
Klein bottle 48—58
Klein bottle in four-dimensional space 191
Klein bottle, chess on 50 53—55
Klein bottle, cosmic crystallography in 290—292
Klein bottle, cut into two pieces 74
Klein bottle, limerick 73
Klein bottle, solid 236
Klein bottle, three-dimensional analog of 237
Klein bottle, tic-tac-toe on 50—54
Klein perforation 371
Knotted sphere 193—195
Lachieze-Rey 287
Last scattering surface 301—308
Lehoucq 287
Lemaitre 262
Leucippus 279
Light-year 260
Local geometry 40—41
Local property 39—41
Luminet 287
Lune, double 139—141
Manifold 11
Manifold, precise definition 40—41
Manifold-with-boundary 42
MAP see "Microwave anisotropy probe"
Microwave anisotropy probe 307—308
Microwave background radiation 297—302 307
Milky Way 260
Mirror reversal 45—49
Mirror reversal and orientability 58
Moebius bridge 371
Moebius strip 47—49 125—126
Moebius strip, two-sided 129
Multiconnected space 280
n-gon 169—170
Negative curvature 151
Nonhomogeneous 41
Nonorientable manifold 58
Octahedral space 227
One-dimensional manifold 41
One-sided surface 125—131
One-sided surface, definition of 125
Open manifold 42—44
Ordinary surface 368
Orientable manifold 58
Orientation-reversing path 58
Pair separation histogram 290—291
Patchwork quilt 368
Penzias 297
Perforation 367
Planck satellite 307—308
plasma 295—297
Poincare conjecture 280
Poincare dodecahedral space 220—224 248
Poincare dodecahedral space, circles in the sky of 306
Positive curvature 149
PRODUCT 83—97
Product, geometrical 86—88 91
Product, multiplication 86
Product, three-dimensional 89—97
Projective plane 59—64
Projective plane, minus a disk 70—73
Projective plane, nomenclature 374
Projective three-space 62—64 210—212 248 282
Puncto 135
Quarter turn manifold 107—110 229—233 249
Quarter turn manifold, circles in the sky of 306
Quarter turn manifold, cosmic crystallography in 291
Quaternionic manifold 226—227
RADIANS 136
Riemann 280
Rubber band with twist 31—33
Schwarzschild 280
Sectional curvature 244—247
Seifert — Weber space 219—221 224 249
Seifert — Weber space, circles in the sky of 306
Sheep 86
Solid 237
Solid 237
Solid doughnut 236
Solid Klein bottle 236
Solve geometry 254—255
Spacetime 195—197 272—278
Spergel 306
Sphere 135—147 199—200
Sphere vs. ball 200—201
Sphere, knotted 193—195
Sphereland 135—136
Spherical 3-manifolds 219—224 273
Spherical 3-manifolds, cosmic crystallography in 292
Spherical n-gon 169—170
Spherical triangle 136
Spherical triangle, area and angles 136—144
Spirits 190—193
Starkman 306
Superclusters 289—293
Surfaces 11
Surfaces, classification of 361—375
Surfaces, Classification Theorem 368
Surfaces, nonredundant list of 80
Surfaces, ordinary 368
Surfaces, redundant list of 76
Surfaces, triangulated 367
Telescope 280
Tetrahedral space 226—227
Three-manifold, formal definition 40
Three-manifold, informal definition 11
Three-sphere 199—210 248 280 282
Three-torus 20—24 249
Three-torus as a product 89—91
Three-torus, circles in the sky of 302—306
Three-torus, how corners fit 224—225
Three-torus, introduced to astronomers 280—281
Three-torus, oblong 41
Three-torus, view in 103—105
Thurston 249 255
Tic-tac-toe on a Klein bottle 50—54
Tic-tac-toe on a torus 14—17 103
topology 26—31
Torus, 84—85 87
Torus, chess on 17—20
Torus, double 374
Torus, drawn as a doughnut surface 9 30
Torus, flat 13—20 23—24
Torus, flat torus vs. doughnut surface 30—31 41
Torus, hexagonal 111—120
Torus, three-dimensional see "Threetorus"
Torus, tic-tac-toe on 14—17 103
Torus, triple 374
Torus, twisted 239—241 252—253
Triangle, Euclidean 144
Triangle, hyperbolic 154—156 214—216
Triangle, spherical 136—144
Triangulated surface 367
Triple cross surface 375
Triple torus 374
Twisted geometry 254
Twisted geometry 254
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