Metric Theory

Some articles on metric, theory, metric theory:

Alternatives To General Relativity - Classification of Theories
... of least action, a variational principle based on the concept of action) a Lagrangian density a metric If a theory has a Lagrangian density for gravity, say, then the ... Almost every theory described in this article has an action ... A theory of gravity is a "metric theory" if and only if it can be given a mathematical representation in which two conditions hold Condition 1 There exists a symmetric metric ...
Alternatives To General Relativity - Theories From 1917 To The 1980s - Non-metric Theories
... See also Einstein-Cartan theory and Cartan connection Cartan's theory is particularly interesting both because it is a non-metric theory and because it is so old ... The status of Cartan's theory is uncertain ... Will (1981) claims that all non-metric theories are eliminated by Einstein's Equivalence Principle (EEP) ...

Famous quotes containing the word theory:

    every subjective phenomenon is essentially connected with a single point of view, and it seems inevitable that an objective, physical theory will abandon that point of view.
    Thomas Nagel (b. 1938)