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                    | Levi-Civita T. — The Absolute Differential Calculus (Calculus of Tensors) |  
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                    | Предметный указатель |  
                    | |  and gravitation      375 
  for an Einsteinian space-time      392 
  for assigned Newtonian field      388—392 
  for single point mass      419—423 
  in mechanics      293 
  in mechanics, invariance of      294 
  same for dynamics and light      336 337 
  , approximately pseudo-Euclidean      383 
  , coefficients of, and gravitational experiments      367 
  , coefficients of, by experiment      363—368 
  , covariance of coefficients of      90 
  , discriminant of coefficients of      90 
  , expression for      88 
  , generalization of      320 
  , indefinite      141 
  , invariance of      308 311 
  , qualitative properties of coefficients of      369 
  , statical      326 327 371 377 378 392 
  , statical, Einstein tensor in      380 381 
  , statical, Riemann’s symbols in      379 
  , ten functions involved in      322 
  , vanishing, for light      332 338 
  , vanishing, variational principle for      340 
  (Einstein tensor) in statical  380 
  (Einstein tensor), linear invariant G of      380 381 
  -systems      158 Action in mechanics      331
 Action, stationary      324 331
 Addition of tensors      75
 Almansi      390
 Amaldi      272 324 334 397 398
 Angle between in
  123—126 Angle between two directions      92
 Angular metric      123
 Antisymmetrical systems      66
 Area, element of      99
 Associated tensors      95
 Associated tensors with respect to quadric      96
 Associated vectors      140
 Atom, vibration of      400
 Attracting mass, spherical      419—423
 Attraction on planet      369
 Autoparallelism of geodesic      104 140
 BACH      439
 Beltrami      238
 Bending of light rays      402 403—408
 Bianchi      90 137 139 140 182 183 205 209 212 235 257 286 373 429
 Bianchi’s derived vectors      137—140
 Bibliography      see “Preface”
 Bibliography of solutions of Schwarzschild type      439
 Bilinear covariant      18 20 21
 Bilinear form      66 70
 Binary form, curvature of      414—419
 Birkhoff      439
 Blascljke      208
 Bompiani      105 198
 Bromwich      205
 c, meaning of constant      335
 Campbell      408
 Canonical form of quadratic      206 281
 Canonical system as to given congruence      278
 Carpanese      272
 Cartan      14
 Cartesian co-ordinates      61
 Cartesian co-ordinates, locally      164 167 171 202
 Central forces      397
 Change of co-ordinates      61
 Change variables      2 61
 Change variables, general      80
 Characteristic of envelope      101
 Characteristic of matrix      9 39 87 250
 Characteristic of surfaces      47
 Chazy      439
 Christoffel      109 110 111 112 118 121 133 139 140 165 166 171 172 182 186 218 220 221 222 228 229 284 376 378 379 384 413
 Christoffel’s symbols of first kind      109 111
 Christoffel’s symbols of second kind      110 111
 Christoffel’s symbols, derivatives of
  in terms of      111 Christoffel’s symbols, derivatives, determinant a in terms of      112
 Christoffel’s symbols, vanishing of      121
 Cisotti      362
 Classical mechanics, correction to      392
 Clifford      374
 Co-ordinate hypersurfaces, angle between      128
 Co-ordinate lines, angle between      128
 Co-ordinate lines, moments of      98
 Co-ordinate lines, parameters of      98
 Co-ordinates, Cartesian      61
 Co-ordinates, curvilinear      61 87
 Co-ordinates, in space-time      290
 Co-ordinates, locally Cartesian      164—171 202
 Co-ordinates, locally geodesic      164 167 171
 Co-ordinates, Pluecker’s      68
 Coefficient
  , second approximation to      392—394 Coefficients of
  by experiment      363—368 Coefficients of
  , qualitative properties of      369 Coefficients of quadratic form, covariance of      73
 Commutation of second derivatives      273
 Commutation, rule      184
 Complete system of partial differential equations      52 53
 Complete system of total differential equations      15—18
 Composition of tensors      79
 Composition of velocities, in relativity      317
 Compounded tensor      79
 Conformal representation      229 246
 Conformal representation of
  411 Conformal representation of Einsteinian in Euclidean space      423
 Congruence, canonical system as to      278
 Congruence, geodesic      262 274
 Congruence, geodesic, curvature of      275
 Congruence, normal      263 275 285
 Congruence, of curves      46 47
 Congruence, solenoidal geodesic      363
 Congruences in Euclidean space      282
 Congruences, set of normal      277
 Congruences, sets of      265
 Constant
  , in Einstein’s equations      387 Constant, gravitational      386
 Continuity, equation of      347 349—351 360 363
 Continuity, equation of, molecular      361
 Continuous system in covariant equations      348 349
 Continuous system in terms of energy tensor      351
 Continuous system, mechanics of      347 352
 Continuous system, relativistic equations for      359
 Contraction of bodies in motion      313
 Contraction of tensors      77—79
 Contravariance of the
  ’s      92 Contravariance, m-fold system      69—71
 Contravariance, simple system      67 81
 Contravariance, transformation by      67 69—71
 Contravariant differentiation      149
 Corbellini      104
 Cosmological interest, solutions of      426
 Cosmological term, Einstein’s      438 439
 Covariance, m-fold system      69—71
 Covariance, simple system      67 68 82
 Covariance, transformation by      64 67—71
 Covariant, bilinear      18 20 21
 Covariant, derivative      146
 Covariant, derivative, second      184
 Covariant, differentiation      144 149
 Covariant, differentiation, of invariant      147
 Covariant, differentiation, of vector      147
 Covariant, simple system, typical      82
 Covariant, simple systems, sets of      74
 Cramer      53 54 68 in
 Cramer’s Rule      54 55
 Curl of vector      161
 Curvature of a
  201 Curvature of calculated      413
 Curvature of formula for      203
 
 | Curvature of space, in Einstein’s space-time      429 438 Curvature, calculated      413
 Curvature, constant, canonical forms for manifolds of      238 240
 Curvature, Gaussian      172
 Curvature, Gaussian, of ordinary surface      193
 Curvature, geodesic      135—137
 Curvature, geodesic, of congruence      275
 Curvature, hyperspherical      258
 Curvature, hyperspherical, formula for      260
 Curvature, lines of      286
 Curvature, locally constant      235
 Curvature, manifolds of      236 246
 Curvature, mean, of
  372 Curvature, mean, of
  258 Curvature, mean, of physical space      382
 Curvature, principal, in
  204 Curvature, Riemannian, of
  195 Curvature, space of constant      425—439
 Curvatures, calculation of      414—419
 Curvilinear co-ordinates      61 87
 Cylindrical space-time, Einstein’s      429
 Darboux      208
 de Donder      439
 de Sitter      429 435 436 437
 De Sitter’s space-time      429—435
 De Sitter’s space-time, constant negative curvature of      436
 Dei      278
 Density of energy      350 351
 Density of momentum      350
 Density of nebulae      439
 Density, mean cosmic, of matter      426 439
 Derivative of vector      139 140
 Derivative, covariant      146
 Derivatives of determinant a      112
 Derivatives, transformation of      85
 Determinant, a, derivatives of, in terms of Christoffel’s symbols      112
 Determinant, functional      2 4—12
 Determinant, reciprocal elements in      54 55 80 81
 Developable, circumscribed      101
 Developable, surfaces      100 ior
 Differential equations, linear normal form of      36
 Differential equations, linear partial      33—61
 Differential equations, total      13—33
 Differential parameter, first      231
 Differential parameter, second      154 393
 Differential parameters, in special case      418
 Differential total      13 64
 Differentials, linear transformation of      80
 Differentiation, covariant      144 149
 Direction      see “Versor”
 Direction, spacelike      356 357
 Direction, timelike      356 357
 Directions of co-ordinate lines, in
  127 Directions of co-ordinate surfaces, in
  127 Directions, specification of      90
 Discrete system, motion incompressible      361
 Discrete system, motion of      360—363
 Discriminant of
  ’s      157 Displacement, cyclic      173 186
 Displacement, infinitesimal      104
 Displacement, parallel      103 (see also “Parallel displacement”)
 Displacement, spectral      400
 Divergence of double tensor      154
 Divergence of gradient of vector      154
 Divergence of stress tensor      344
 Divergence of vector      153
 Dougall      435
 Dual variables      68 81
 Dupin      204
 Eclipse observations      407 408
 Eddington      402 439
 Einstein      200 287 291 294 298 317 318 322 326 328 371 372 374 375 376 377 378 383 385 396 398 407 429 435 436 437 438
 Einsteinian and Newtonian, trajectories      395
 Einsteinian motion, law of time in      396
 Einsteinian space-time,
  for an      392 Einstein’s cylindrical space-time      429
 Einstein’s form of Hamilton’s principle      291
 Einstein’s gravitational equations      376
 Einstein’s tensor      200 371
 Einstein’s tensor for a
  371 Einstein’s tensor in statical
  380 381 Einstein’s tensor, divergence of      371
 Einstein’s tensor, linear invariant of      371
 Electrodynamics of bodies in motion      311 312
 Element of area      99
 Elongation, relative      305
 empty space      392
 Empty space,
  for      382 383 Energy and mass      294 298
 Energy and matter      298
 Energy and metric of
  328 Energy density      350 351 356 382
 Energy field of uniform      426
 Energy tensor      355 358
 Energy tensor and curvature      374
 Energy tensor and electromagnetism      374
 Energy tensor and equations of motion      359
 Energy tensor and local phenomena      374
 Energy tensor and metric of space-time      383
 Energy tensor, physical interpretation of      359
 Energy tensor, vanishing      382 392
 Energy, flux of      350 351 356 357 358
 Energy, intrinsic, of matter      297 298
 Energy, kinetic and potential      296 324
 Envelope of family of planes      101
 Equation of orbit      397
 Equations in terms of stress tensor      351
 Equations of free particle      287
 Equations of motion, Einsteinian modification of      351
 Equations relativistic, for continuous system      359
 Equations total differential      13—33
 Equations total differential, integrals of      47
 Equations, Einstein’s gravitational      376
 Equipollence of vectors      103
 Equivalence, mechanical, a theorem of      394
 Ether      335
 Euclidean manifold      121
 Euclidean manifold and Riemann’s symbols      242—246
 Euclidean manifold, Christoffel’s symbols in      121
 Euclidean metric manifold, condition for      242—246
 Euler      44 296 342 432
 Experiment and coefficients of
  363—368 Experiments, gravitational, and
  367 Experiments, optical, and
  363 Extension of a field      160
 Extension of curved space      426 427 428
 Fabry      402
 Facet      201
 Fermat      335 340 343 402
 Fermat’s principle      335 402
 Fermat’s principle and geodesies      341—343
 Fermat’s principle in relativity      340 341
 Fermi      167
 Finzi      231
 Fizeau      319
 Focal directions in congruences      283
 Force absorbed in stress system      349 374 375
 Force disturbing, in planet’s motion      397
 Force in relativity field      328
 Force, inversely as cube of distance      397
 Form, bilinear      66
 Form, invariant      73
 Form, linear      67
 Form, multilinear      66 83
 Form, quadratic      66
 Forms of class i      253
 Forms of conditions for      257
 Frame of reference      335
 Frequency of spectral line modified      400
 Fresnel      316 318 319 320
 
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