Index

Accelerated masses, inductive action of, 1

Addition and subtraction of tensors, 2

  theorem of velocities, 3

Biot-Savart force, 4

Centrifugal force, 5

Clocks, moving, 6

Compressible viscous fluid, 7

Concept of space, 8

  time, 9

Conditions of orthogonality, 10

Congruence, theorems of, 11

Conservation principles, 12

Continuum, four-dimensional, 13

Contraction of tensors, 14

Contra-variant vectors, 15

  tensors, 16

Co-ordinates, preferred systems of, 17

Co-variance of equation of continuity, 18

Co-variant, 19

  vector, 20

Criticism of principle of inertia, 21

Criticisms of theory of relativity, 22

Curvilinear co-ordinates, 23

Differentiation of tensors, 24, 25

Displacement of spectral lines, 26

Energy and mass, 27, 28

  tensor of electromagnetic field, 29

   of matter, 30

Equation of continuity, co-variance of, 31

Equations of motion of material particle, 32

Equivalence of mass and energy, 33

Equivalent spaces of reference, 34

Euclidean geometry, 35

Finiteness of universe, 36

Fizeau, 37

Four-dimensional continuum, 38

Four-vector, 39

Fundamental tensor, 40

Galilean regions, 41

  transformation, 42

Gauss, 43

Geodetic lines, 44

Geometry, Euclidean, 45

Gravitation constant, 46

Gravitational mass, 47

Homogeneity of space, 48

Hydrodynamical equations, 49

Hypotheses of pre-relativity physics, 50

Inductive action of accelerated masses, 51

Inert and gravitational mass, equality of, 52

Invariant, 53

Isotropy of space, 54

Kaluza, 55

Levi-Civita, 56

Light-cone, 57

Light ray, path of, 58

Light-time, 59

Linear orthogonal transformation, 60

Lorentz electromotive force, 61

  transformation, 62

Mach, 63, 64, 65, 66, 67, 68

Mass and Energy, 69, 70

  equality of gravitational and inert, 71

  gravitational, 72

Maxwell’s equations, 73

Mercury, perihelion of, 74, 75

Michelson and Morley, 76

Minkowski, 77

Motion of particle, equations of, 78

Moving measuring rods and clocks, 79

Multiplication of tensors, 80

Newtonian gravitation constant, 81

Operations on tensors, 82

Orthogonal transformations, linear, 83

Orthogonality, conditions of, 84

Path of light ray, 85

Perihelion of Mercury, 86, 87

Poisson’s equation, 88

Preferred systems of co-ordinates, 89

Pre-relativity physics, hypotheses of, 90

Principle of equivalence, 91

  inertia, criticism of, 92

Principles of conservation, 93

Radius of Universe, 94

Rank of tensor, 95

Ray of light, path of, 96

Reference, space of, 97

Riemann, 98

  tensor, 99, 100, 101

Rods (measuring) and clocks in motion, 102

Rotation, 103

Simultaneity, 104, 105

Sitter, 106

Skew-symmetrical tensor, 107

Solar Eclipse expedition (1919), 108

Space, Concept of, 109

  Homogeneity of, 110

  Isotropy of, 111

Spaces of reference, 112

  equivalence of, 113

Special Lorentz transformation, 114

Spectral lines, displacement of, 115

Straightest lines, 116

Stress tensor, 117

Symmetrical tensor, 118

Systems of co-ordinates, preferred, 119

Tensor, 120, 121

  Addition and subtraction of, 122

  Contraction of, 123

  Fundamental, 124

  Multiplication of, 125

  operations, 126

  Rank of, 127

  Symmetrical and Skew-symmetrical, 128

Tensors, formation by differentiation, 129

Theorem for addition of velocities, 130

Theorems of congruence, 131

Theory of relativity, criticisms of, 132

Thirring, 133

Time-concept, 134

Time-space concept, 135

Transformation, Galilean, 136

  Linear orthogonal, 137

Universe, Finiteness of, 138

  Radius of, 139

Vector, co-variant, 140

  contra-variant, 141

Velocities, addition theorem of, 142

Viscous compressible fluid, 143

Weyl, 144, 145, 146