minkowski space-time
81Relativité Générale — Pour les articles homonymes, voir relativité …
82Théorie de la Gravitation d'Einstein — Relativité générale Pour les articles homonymes, voir relativité …
83Théorie de la relativité générale — Relativité générale Pour les articles homonymes, voir relativité …
84World line — In physics, the world line of an object is the unique path of that object as it travels through 4 dimensional spacetime.The concept of world line is distinguished from the concept of orbit or trajectory (such as an orbit in space or a trajectory… …
85Einstein field equations — General relativity Introduction Mathematical formulation Resources Fundamental concepts …
86Introduction to general relativity — General relativity (GR) is a theory of gravitation that was developed by Albert Einstein between 1907 and 1915. According to general relativity, the observed gravitational attraction between masses results from the warping of space and time by… …
87Mass in general relativity — General relativity Introduction Mathematical formulation Resources Fundamental concepts …
88Gamma matrices — In mathematical physics, the gamma matrices, {γ0,γ1,γ2,γ3}, also known as the Dirac matrices, are a set of conventional matrices with specific anticommutation relations that ensure they generate a matrix representation of the Clifford algebra… …
89Hyperbolic quaternion — In mathematics, a hyperbolic quaternion is a mathematical concept first suggested by Alexander MacFarlane in 1891 in a speech to the American Association for the Advancement of Science. The idea was criticized for its failure to conform to… …
90Milne model — General relativity Introduction Mathematical formulation Resources Fundamental concepts …
