Page:The Meaning of Relativity - Albert Einstein (1922).djvu/133



Accelerated massesinductive action of, 113.

Addition and subtraction of tensors, 14.

— theorem of velocities, 40.

Biot-Savart force, 46.

Centrifugal force, 67.

Clocks–moving, 39.

Compressible viscous fluid, 22.

Concept of space, 3.

– – time, 30.

Conditions of orthogonality, 7.

Congruence–theorems of, 3.

Conservation principles, 55.

Continuum–four-dimensional, 33.

Contraction of tensors, 15.

Contra-variant vectors, 72.

– – tensors, 75.

Co-ordinates–preferred systems of, 8.

Co-variance of equation of continuity, 22.

Co-variant, 12 et seq.

– – vector, 72.

Criticism of principle of inertia, 65.

Criticisms of theory of relativity, 31.

Curvilinear co-ordinates, 68.

Differentiation of tensors, 76, 79.

Displacement of spectral lines, 101.

Energy and mass, 48, 51.

– tensor of electromagnetic field, 52.

– – of matter, 56.

Equation of continuity–co-variance of, 22.

Equations of motion of materia particle, 52.

Equivalence of mass and energy, 51.

Equivalent spaces of reference, 26.

Euclidean geometry, 4.

Finiteness of universe, 110.

Fizeau, 29.

Four-dimensional continuum, 33.

Four-vector, 43.

Fundamental tensor, 74.

Galilean regions, 65.

– transformation, 28.

Gauss, 68.

Geodetic lines, 86.

Geometry, Euclidean, 4.

Gravitational mass, 63.

Gravitation constant, 98.

Homogeneity of space, 17.

Hydrodynamical equations, 56.

Hypotheses of pre-relativity physics, 77. 8*